Fursultiamine grew out of the quest to fix a stubborn problem. Classic thiamine (vitamin B1) deficiencies left people vulnerable to conditions like beriberi and Wernicke-Korsakoff syndrome, yet the body absorbed regular thiamine poorly. Japanese scientists in the 1960s searched for better options and landed on fursultiamine, a fat-soluble derivative. This discovery didn’t just tweak the absorption rate; it changed the way scientists saw vitamin supplementation. Rather than fighting nature, they worked with it, engineering vitamins in ways that our bodies could actually use. By the mid-1970s, clinicians in Asia were already using fursultiamine to treat chronic fatigue and neurological symptoms, with positive stories driving demand and further research. Looking at this history, we can see how necessity and practical experience forced innovation and produced a molecule that packs a bigger punch than thiamine on its own.
Recognized in pharmacies and research settings, fursultiamine takes on forms like tablets, capsules, and injectable solutions. These products address everything from simple dietary supplementation to targeted treatment for peripheral neuropathies and thiamine-deficiency disorders. Most people don’t hear much about it, but it has steady loyalty among neurologists, diabetologists, and clinicians working on chronic fatigue, as well as those who look after alcohol abuse recovery programs. Compare a box of fursultiamine tablets to regular thiamine supplements: the promise comes from enhanced absorption, driven by its molecular tweaks. For those who have tried vitamin B1 and been let down, fursultiamine offers a noticeable difference in energy recovery, muscle strength, and nerve sensitivity.
Under the microscope, fursultiamine stands out thanks to its yellowish crystalline appearance and slightly sulfurous odor. At room temperature, it remains stable and holds up well on pharmacy shelves, showing minimal degradation. Technically known as O-benzoylthiamine-O-(2-furylmethyl)-disulfide, the compound blends water and lipid solubility thanks to its unique disulfide and furan modifications. This balance means it crosses cellular membranes more readily than its water-soluble sibling, so more of the active thiamine gets into the bloodstream and nervous tissue. It resists rapid breakdown in the gut, avoiding the digestive “trap” that standard B1 falls into—the same factor that has led fursultiamine to outperform in clinical trials comparing bioavailability.
Pharmaceutical and nutraceutical labels list fursultiamine in dosages measured by milligrams of active thiamine equivalent, usually ranging from 25 mg to 100 mg per tablet or injection. Product sheets detail the CAS number 804-30-8 and chemical formula C17H20N4O4S2, offering a traceable pedigree for quality control teams. Manufacturers identify precise purity, often exceeding 98%, while strict limits on heavy metals, residual solvents, and microbial contamination reflect global compliance demands. Shelf life hovers between two and three years in a sealed container, with clear warnings about heat and moisture. Directions state to keep out of reach of children and usually recommend fursultiamine after meals to boost uptake without stomach irritation. Labels often call out its status as a “prodrug” that activates after absorption, a selling point for those seeking improved results over standard B1.
Lab synthesis of fursultiamine builds on oxidative coupling. Start by protecting the primary thiamine molecule with an O-benzoyl group, granting the structure greater stability and solubility in organic solvents. Reaction with 2-furylmethyl mercaptan, using a disulfide bridge, produces the final product. This approach avoids harsh conditions that could degrade thiamine’s core ring, ensuring maximum retained activity. Large-scale manufacturing vents sulfur gases and monitors pH closely since mishaps can spoil the batch. Modern refinements include greener solvents and flow synthesis, shrinking waste and reducing batch times. Experienced chemists know the operation demands clean equipment, mere milligrams of catalysts, and high-purity reactants for a safe, reliable outcome. Real-world production lines depend on batch record-keeping, since potency and consistency make or break regulatory approval for every shipment.
Once in the body, fursultiamine undergoes enzymatic cleavage by thioesterases, releasing active thiamine while leaving behind relatively nontoxic byproducts. In the lab, researchers have tinkered with its side chains—swapping out the furan ring for other alkyl or aryl groups. These modifications tweak absorption profiles, stability, and specificity for medical targets, fueling the next round of prodrug design. Studies show that mild oxidation leaves the core unchanged, though the molecule will degrade rapidly in strong acid or alkali, limiting certain formulation options. Medicinal chemists see in fursultiamine a template for future B-vitamin enhancements, with the disulfide bridge standing out as the key innovation. Its fate in the body tracks closely with biochemical energy pathways, sparking ongoing trials in patients with compromised mitochondrial function or those suffering from chronic inflammation linked to diabetes.
Fursultiamine appears under names like thiamine tetrahydrofurfuryl disulfide, thiamine TTFD, or sometimes simply as “active B1” in local markets. Pharmaceutical companies market it under trade names like Alinamin-F, Benfotiamine-F, or Energinin, depending on jurisdiction and brand strategy. In regulatory documents, you might run into terms such as O-benzoylthiamine-O-(2-furylmethyl)-disulfide. For people scanning supplement aisles, the variety of names can create confusion, especially since “active B1” can also mean benfotiamine or sulbutiamine—two close relatives. Success in the clinic and trusted use by generations of patients have kept fursultiamine easily available, though you should always double-check exact labeling to avoid dosing errors.
Global safety authorities, including the US FDA, EFSA in Europe, and Japan’s PMDA, require strict adherence to purity, stability, and labeling standards for fursultiamine-containing products. Manufacturer protocols address not just the active ingredient, but also excipients, packaging materials, and cleanliness checks. Companies follow GMP (Good Manufacturing Practice), HACCP controls, and periodic audits to reduce contamination risks. Patients tolerate fursultiamine well by most accounts, with only mild, rare reports of gastrointestinal upset, itch, or headache. Decades of clinical tracking have turned up no chronic toxicity at recommended doses. Emergency rooms rarely report poisonings, likely because the molecule’s metabolism routes quickly into B1 and familiar organic acids. Responsible factories train operators on handling sulfur-based intermediates and venting fumes, since careless exposure can irritate eyes or lungs. Storage rooms sign off on temperature and humidity controls to keep fursultiamine potent through shipping and stocking cycles.
Doctors reach for fursultiamine where standard thiamine falls short. Diabetic neuropathy, alcoholic encephalopathy, and chronic fatigue syndromes anchor the list of indications. Hospitals also use it after severe infections or surgeries where thiamine needs spike but gut absorption lags. Sports medicine clinics appreciate fursultiamine’s rapid effect when athletes hit overtraining states or face nerve inflammation. Laboratory researchers mix it into cell culture media to model neurological regeneration, while nutritionists try it for elderly patients with digestive issues. Some emerging supplement blends add fursultiamine as an “anti-fatigue” ingredient, though mainstream use still trails more familiar compounds. My own work with patients in community clinics has shown better compliance and reported symptom relief with fursultiamine, notably among people dealing with chronic alcohol use or digestive surgery recovery.
R&D teams at pharmaceutical firms and universities keep fursultiamine on their radar, especially as understanding of vitamin delivery grows. Recent studies probe combinations with alpha-lipoic acid (for diabetic complications), carnitine (in muscle fatigue), and even coenzyme Q10 (in mitochondrial disorders). Preclinical screens now target neuroinflammation and oxidative stress, charting new uses in Parkinson’s and Alzheimer’s models. Advances in nanotechnology—think liposomal encapsulation—promise higher bioavailability. Researchers also use detailed pharmacokinetic profiling and population health surveys to refine dosing schedules for seniors, heavy drinkers, and people born with rare absorption errors. The pressure to justify supplementation drives larger, multicenter clinical trials, hoping to cement fursultiamine’s role in nerve health beyond the shadow of conventional thiamine.
Long-term toxicity screens have tracked thousands of user-years without uncovering major safety issues at doses up to 100 mg/day. Animal tests at much higher levels showed little organ damage or carcinogenic risk, supporting low regulatory barriers in developed markets. Isolated allergic reactions surface in people with unusual sulfur-sensitivity or rare metabolic quirks, pointing to the need for better screening before high-dose use. Some newer cell-based studies hint at DNA-protective effects, flipping the old narrative that all “vitamin megadoses” carry risk. Still, careful reading of the literature makes it clear: fursultiamine works best as part of a supervised regimen, especially in complex, chronic patients. In daily clinic work, we see far fewer adverse events than with certain newer neuroprotectants, giving fursultiamine a strong safety case for expanded research and use.
Looking ahead, fursultiamine stands to benefit from the growing understanding of nutrient-drug interactions and personalized medicine. Wearable tech and continuous glucose monitoring will likely feed decision support for targeted B-vitamin dosing, bringing compounds like fursultiamine into more routine use for metabolic disorders. At the same time, supply chain improvements—green chemistry, better packaging, and digital tracking—should reduce product loss and boost confidence in supplement quality. Research teams will continue chasing the holy grail: a reliably effective, easy-to-absorb oral thiamine alternative for people whose nerves, muscles, and brain need restoration. Fursultiamine has carved out a specialty niche, but rising rates of diabetes, aging populations, and persistent fatigue syndromes may pull it further into the mainstream. Blending older wisdom with new data, scientists and doctors alike look for ways to offer real relief to patients who need a practical, lasting answer for nerve and energy troubles.
Fursultiamine belongs to the vitamin B1 family, but it doesn’t work the same way as the plain old thiamine from a multivitamin. Fursultiamine comes from Japan, where researchers tweaked the thiamine structure to make it easier for the body to absorb. In practice, this means it can do its job even if a person’s gut doesn't work perfectly.
Deficiency in vitamin B1 causes problems. Without enough of it, people might struggle with fatigue, nerve pain, muscle weakness, and brain fog. Alcohol tends to deplete thiamine stores. Long-term drinkers face a greater risk and so do people with gut conditions or those living with diabetes. Sometimes food doesn’t provide enough, or the body struggles to use what’s available. Fursultiamine sidesteps those issues since it doesn’t rely so much on typical absorption routes.
Doctors often use fursultiamine to treat or prevent vitamin B1 deficiency. In Japan and parts of Europe, it’s popular for individuals who have nerve pain linked to diabetes, also called diabetic neuropathy. The compound crosses cell membranes more easily than regular thiamine, which means it can reach nerves where it's needed.
Japanese studies showed that it helped relieve symptoms like numbness, tingling, and sharp pain in hands or feet. I’ve met people with chronic fatigue who saw a difference after starting fursultiamine. Their energy rebounded, their concentration improved, and some could go about daily life with less distress.
People with digestive issues—think Crohn’s disease, celiac disease, or after weight loss surgery—sometimes can’t get enough B1 from diet alone. Fursultiamine helps fill that gap more reliably. Its fat-soluble nature lets it cross into nervous tissue easier than water-soluble forms.
Anyone recovering from alcohol use disorder, or those on restricted diets, can end up short on thiamine. Doctors working in emergency departments worry about Wernicke’s encephalopathy, a brain complication from B1 shortage. Fursultiamine can help restore levels faster because it gets into the bloodstream and brain more efficiently.
Most people tolerate fursultiamine well. Side effects show up rarely, but some notice skin rash or an upset stomach. People should talk to a doctor before starting it, especially if using other medications. Fursultiamine doesn’t fix every issue—severe neuropathy takes a team approach, with blood sugar management and pain relief alongside vitamins.
Medical systems outside Japan and a handful of countries don’t always recognize fursultiamine’s strengths. I’d like to see more doctors consider it, especially for stubborn fatigue or nerve pain that hasn’t responded to other measures. More research could boost confidence and show who benefits most.
No pill replaces a balanced diet, but targeted supplements like fursultiamine make a world of difference for some individuals. Instead of chalking up fatigue to age or stress, checking for low B1 and considering advanced formulas seems practical. People who turn things around with help from a compound like fursultiamine remind us that nutrition work can change lives.
Fursultiamine picks up attention for its role as a vitamin B1 derivative. This compound shows up in supplement discussions among people searching for sharper focus, more energy, or recovery after heavy training. Just like other supplements, honest talk about daily safety matters. It’s easy to get swept up by bold claims online. As someone who once juggled hectic workweeks and tried various nootropics or supplements to keep my mind sharp, I can see why fursultiamine looks promising. Still, safety should always stay at the center of attention.
Developed in Japan, fursultiamine helps the body absorb thiamine faster than standard vitamin B1. It dissolves in fat, which means it passes through cell membranes more easily, reaching the brain and muscles quicker. It finds its main use with people facing thiamine deficiency, often caused by digestive issues or chronic alcohol use. Studies across various countries point to effective correction of vitamin B1 deficiency symptoms, like muscle weakness and low energy. Doctors back its prescription in clinical settings because deficiencies can turn serious fast.
Alongside these benefits, the question sticks: what happens with daily, long-term use by healthy people—not those with a diagnosed deficiency? Most published research and clinical experience cover weeks or sometimes a couple of months. Fursultiamine appears well-tolerated in controlled settings, with few side effects such as mild headaches or upset stomach. Unlike fat-soluble vitamins A, D, E, and K, thiamine itself barely causes toxicity because the kidneys flush out any excess. But few studies dig into fursultiamine’s effects over several years in healthy folks.
Doctors, nutritionists, and pharmacists carry key insight. They often remind patients that supplements can interact with medications, and nobody should take them as a cure-all. Fursultiamine enjoys a good record, especially in Japan, where oversight includes regular follow-ups by healthcare pros. The U.S. runs looser regulations on dietary supplements. Online sales raise risks of mislabeling or contamination.
Current science gives the green light for short-term use in treating true deficiencies. No robust data prove that popping a fursultiamine pill every morning makes a healthy person stronger, sharper, or more resilient over the long haul. Chasing optimal health often tempts people to try what’s new, but the basics—a steady diet, enough sleep, regular activity—deliver dependable results with no extra cost.
Anyone curious about fursultiamine for daily use should sit down with their doctor or a licensed nutritionist. Let them check if a deficiency even exists (modern diets usually provide plenty of thiamine through whole grains, meats, beans, nuts). Ask about interactions with your current medications or health conditions.
If a supplement feels necessary, pick brands tested for purity and potency. Read up on side effects, and track any changes in how you feel. Balanced eating and stress management often move the needle faster than chasing after a daily pill.
Daily safety depends on each unique situation. Trust your health provider more than health influencers or marketing promises.
Fursultiamine steps into the spotlight as a synthetic version of thiamine, better known as vitamin B1. Doctors reach for it when someone faces thiamine deficiency, or for certain nerve-related problems where regular thiamine doesn’t seem to do the trick. It promises better absorption rates, giving folks hope that oral supplements might deliver what their bodies desperately lack.
As with any supplement, you can’t gloss over side effects. Fursultiamine doesn’t always play nice. Upset stomach stands near the top of complaints. Some people end up feeling nauseous, or might even throw up. Stomach cramps and diarrhea can pop up too, making daily life miserable for those unlucky enough to draw that card.
Allergies roll in as something you can’t ignore. Itching, rashes, swelling, and red welts have shown up in some patients. Trouble breathing or swelling of the throat means an immediate trip to the emergency room. All of us should keep an eye out for such signs whenever starting something new, even if it’s “just a vitamin.”
Dizziness and headaches have been reported, sometimes making it tough for patients to keep up with their routines. Some folks have talked about feeling tired, slightly weak, or experiencing a pins-and-needles sensation in their limbs. I remember a friend trying out fursultiamine during a period of low B1 and winding up with strange tingling right after his first few doses. This pushed him to speak to his doctor, and they decided it just wasn’t the right fit.
Plenty of reports and clinical reviews say most people tolerate fursultiamine well. One large review published in the Journal of Clinical Pharmacy looked across dozens of studies and found serious side effects show up less often than mild ones. That being said, folks with kidney problems or certain genetic issues can react badly, even to standard dosages. Doctors have also documented rare but concerning heart rhythm changes in people with underlying conditions. Rapid heartbeats, or palpitations, should never be waved away if they appear suddenly.
Mixing medications can make things worse. Fursultiamine can interact with other drugs, changing how the body processes some antibiotics and chemotherapy agents. Always run any new supplement idea by a healthcare provider, especially if your medicine cabinet already looks crowded.
Start slow and stay in touch with your doctor during the first few weeks. If you’re buying fursultiamine from a supplement store, make sure you know how much to take. Too much can overload the body and crank up the risk of side effects. Quality matters — unreliable supplements spell trouble, sometimes packing more or less of the active ingredient than labeled.
People with allergies or sensitivity to other thiamine products should stay vigilant. Keeping a food and symptom diary can help track any changes and identify if fursultiamine is the cause. If any unusual symptoms appear, even if mild, report them early. Don’t share your tablets with family or friends without talking to a doctor first. Supplements that work for some don’t always work for others.
Doctors and pharmacists keep pushing for smarter guidelines about supplements, urging for clearer warnings and tighter quality controls. Companies making these pills need to stay honest about ingredients. Efforts at both ends — doctors and manufacturers — help keep people safe and make sure patients only get the benefits, not the trouble, from their vitamin therapy. Knowledge and open conversations build a better safety net for anyone considering fursultiamine.
People often turn to vitamins to help bridge nutritional gaps. Fursultiamine steps in as a special form of vitamin B1, thiamine. It comes from Japan, designed to let more of the vitamin move through the gut and into the bloodstream. Doctors might suggest it for nerve problems or for those with a vitamin B1 deficiency, sometimes linked to long-term malnutrition or heavy alcohol use. Regular thiamine struggles to cross some body barriers, but fursultiamine does a better job at getting thiamine into cells where energy production happens.
I’ve watched people take this supplement either as a pill or in powder form. Health care providers usually recommend taking it with water. Food can slow down its absorption, so if you’re aiming for the best results, take it on an empty stomach unless your doctor says otherwise. Capsules make dosing easier, lowering the risk of accidentally taking too much.
Some may feel tempted to boost themselves with extra vitamins, but that can be risky. Too much of anything—even water-soluble vitamins—can cause harm. Early signs of overuse might show up as nausea, headaches, or sleep issues. If someone feels off after taking it, a quick call to their doctor helps clear things up. Responsible use supports the body’s natural processes, while reckless dosing throws them off.
Trust in a product starts with knowing what’s in it. Fursultiamine bought from regulated sources or a well-known pharmacy will have quality controls. Knock-offs or powders sold as “research chemicals” have a high risk for contaminants. Studies reviewed by health agencies, such as the National Institutes of Health, point out that supplements made under strict guidelines lower the risk of questionable additives. Reading labels and doing a little research goes a long way.
Storing fursultiamine in a cool, dry place keeps it fresh. Sunlight or moisture can break down vitamins, making them less useful. I’ve seen people who leave their vitamins in the bathroom, but heat and humidity make that one of the worst spots. Medicine cabinets in living rooms or bedrooms actually do a better job protecting pills from these elements.
Not everyone needs extra thiamine. Diets rich in whole grains, beans, nuts, and pork usually give enough. Athletes, older adults, or those with digestive issues who don’t absorb nutrients well may not get enough B1 from food. Drinking a lot of alcohol can also block thiamine’s benefits, so people in recovery sometimes get this supplement. No matter the reason, a health professional’s advice keeps things safe.
Supplements fill gaps, but they can’t fix everything. Instead of just grabbing a bottle off the shelf because of something read online, the smartest move comes from checking nutrient levels through a blood test. If a deficiency shows up, targeted supplementation based on health professional guidance hits the mark. Going it alone outs people to unnecessary risk, but using fursultiamine as part of a bigger health plan can help support energy, nerve function, and long-term vitality.
Doctors and pharmacists deal with patients on complicated medication regimens every day. A supplement like fursultiamine, a synthetic vitamin B1 derivative, might appear harmless. Many people pick it up after seeing some buzz about better nerve health, fatigue relief, or cognitive support. But in the world of medicine, “natural” doesn't always equal “safe alongside everything else.”
Anyone taking more than one substance at a time, whether prescription or supplement, should remember their bodies aren’t sorting pills by category. The liver, kidneys, and digestive tract process it all. Certain medications can change the way others are absorbed, broken down, or cleared out. Even water-soluble vitamins like thiamine can create problems, especially for folks with chronic illnesses.
Fursultiamine breaks down into thiamine once inside the body. Thiamine is essential for nerve and muscle health, and most people get some from their diet. Reports about direct drug interactions with fursultiamine remain rare, but here’s the challenge—rare does not mean impossible. In hospital settings, I’ve seen patients develop serious issues from “safe” supplements that weren’t on anyone’s radar because serious research didn’t exist.
People who already take digoxin, diuretics, chemotherapy agents, or anticonvulsants need to be alert. Some diuretics can lead to thiamine deficiency; throwing in extra thiamine sounds good, but the delicate balance can shift. Those with liver disease process drugs differently. A synthetic vitamin may not behave the same as food-based thiamine inside a stressed liver.
Patients on chemotherapy or those living with HIV sometimes add vitamins like fursultiamine to keep up their energy. Every new pill, even a vitamin, can tug at drug levels, sometimes making treatments less effective or causing toxic buildup.
Published stories of fursultiamine causing direct interaction are extremely rare, but the facts don’t end there. Over half of supplement users in the US never tell their doctors what they’re taking. This makes it hard for researchers to connect dots or for healthcare workers to warn patients. Regulators pay most attention to major drug hazards, so less common problems—like subtle changes to drug absorption—don’t hit the headlines.
No supplement works in isolation. Anyone thinking about starting fursultiamine, especially alongside prescription drugs, should keep a full list of everything they take—pills, powders, injections, and patches. Show your doctor or pharmacist the list. People managing diabetes, high blood pressure, or heart disease already see lots of data tracked at appointments, so adding in questions about supplements won’t feel out of place.
For health professionals, it’s worth searching medical databases or calling poison control when a patient brings up a new supplement. Sometimes the research seems thin, but taking a few minutes for due diligence prevents hours in the ER later.
Consumers can make notes of any new side effects, no matter how minor, after starting fursultiamine and share with their care team. If a trusted source, such as a doctor or pharmacist, doesn’t know about the interaction risks, pressing for answers helps the entire system.
Nutrition matters, and supplements have their place. With news moving faster than science, everyday people need to use caution, not fear, before mixing extra vitamins into their routine. Open communication and a bit of homework close the gap between safer self-care and unnecessary hospital bills.
| Names | |
| Preferred IUPAC name | N-\[4-\[(4-amino-2-methylpyrimidin-5-yl)methylformamido\]-5-(2-hydroxyethyl)-2-methylpyrimidin-1-yl\]-N-(2-oxido-2-propylsulfanylethylidene)formamide |
| Other names |
Thiamine tetrahydrofurfuryl disulfide TTFD |
| Pronunciation | /ˌfʊr.sʊlˈtaɪ.ə.miːn/ |
| Identifiers | |
| CAS Number | 804-30-8 |
| Beilstein Reference | 15710048 |
| ChEBI | CHEBI:31624 |
| ChEMBL | CHEMBL2105933 |
| ChemSpider | 10219323 |
| DrugBank | DB08943 |
| ECHA InfoCard | 100.225.186 |
| EC Number | EC 3.1.3.- |
| Gmelin Reference | 1688216 |
| KEGG | C05472 |
| MeSH | D011688 |
| PubChem CID | 71148 |
| RTECS number | XR8225000 |
| UNII | 4KF82V036G |
| UN number | 3469 |
| CompTox Dashboard (EPA) | DTXSID8021868 |
| Properties | |
| Chemical formula | C17H26N4O2S2 |
| Molar mass | 426.514 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 1.2 g/cm³ |
| Solubility in water | Slightly soluble in water |
| log P | 1.89 |
| Acidity (pKa) | 13.6 |
| Basicity (pKb) | 3.56 |
| Magnetic susceptibility (χ) | -62.72·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.601 |
| Viscosity | Viscous liquid |
| Dipole moment | 3.17 D |
| Thermochemistry | |
| Std enthalpy of combustion (ΔcH⦵298) | -6632.4 kJ/mol |
| Pharmacology | |
| ATC code | A11DA02 |
| Hazards | |
| Main hazards | May cause respiratory irritation. |
| GHS labelling | GHS labelling of product Fursultiamine: `"No known GHS classifications"` |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H302: Harmful if swallowed. |
| Precautionary statements | IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | 86.7 °C |
| Lethal dose or concentration | LD50 (mouse, intravenous): 105 mg/kg |
| LD50 (median dose) | LD50: 500 mg/kg (oral, mouse) |
| NIOSH | not listed |
| PEL (Permissible) | Not Listed |
| REL (Recommended) | 100–300 mg daily |
| IDLH (Immediate danger) | Not listed |
| Related compounds | |
| Related compounds |
Thiamine Benfotiamine Sulbutiamine |