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HS Code |
274026 |
| Name | 5-HTP |
| Full Name | 5-Hydroxytryptophan |
| Chemical Formula | C11H12N2O3 |
| Origin | Griffonia simplicifolia seeds |
| Common Usage | Dietary supplement |
| Main Purpose | Serotonin precursor |
| Typical Dosage Range Mg | 50-300 |
| Physical Appearance | White crystalline powder |
| Route Of Administration | Oral |
| Solubility In Water | Slightly soluble |
| Cas Number | 4350-09-8 |
| Molecular Weight G Mol | 220.23 |
| Taste | Slightly bitter |
| Shelf Life | 2-3 years |
| Storage Conditions | Cool, dry place |
As an accredited 5-HTP factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White plastic bottle with a blue label, labeled “5-HTP 100mg," containing 60 vegetarian capsules, safety-sealed for freshness. |
| Shipping | 5-HTP is shipped in secure, airtight containers to preserve quality and prevent contamination. Packaging complies with standard safety regulations for nutritional supplements. Orders are typically dispatched within 1-3 business days, with tracking provided. Shipping restrictions may apply based on local regulations; buyers are responsible for ensuring legal importation into their region. |
| Storage | 5-HTP (5-Hydroxytryptophan) should be stored in a tightly sealed container, protected from light, moisture, and air. Keep it at room temperature, generally between 15°C and 25°C (59°F–77°F), and away from incompatible substances and heat sources. Store in a dry, cool, and well-ventilated area, and always follow standard laboratory safety protocols. |
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Purity 99%: 5-HTP with purity 99% is used in pharmaceutical tablet production, where it ensures consistent active compound bioavailability. Molecular weight 220.23 g/mol: 5-HTP with molecular weight 220.23 g/mol is used in dietary supplement formulation, where it maintains accurate dosing per capsule. Stability temperature ≤ 25°C: 5-HTP with stability temperature ≤ 25°C is implemented in encapsulation processes, where it preserves chemical integrity during storage. Particle size <100 µm: 5-HTP with particle size <100 µm is applied in powder blending for nutrition bars, where it enhances uniform component distribution. Melting point 293°C: 5-HTP with melting point 293°C is utilized in high-temperature granulation, where it prevents degradation during processing. Solubility in water 15 mg/mL: 5-HTP with solubility in water 15 mg/mL is incorporated in liquid supplement manufacturing, where it provides homogenous solution formation. Heavy metal content <10 ppm: 5-HTP with heavy metal content <10 ppm is used in clinical grade APIs, where it minimizes toxicological risks for human consumption. Shelf life 24 months: 5-HTP with shelf life 24 months is employed in bulk storage applications, where it supports long-term inventory management without efficacy loss. Assay ≥98% (HPLC): 5-HTP with assay ≥98% (HPLC) is applied in controlled release formulations, where it guarantees precise therapeutic levels. Moisture content <2%: 5-HTP with moisture content <2% is used in dry-blend nutraceutical processing, where it reduces agglomeration and ensures flowability. |
Competitive 5-HTP prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
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Our facility has produced 5-hydroxytryptophan, known in biochemistry as 5-HTP, for over a decade. Through this time, we’ve watched interest grow, science advance, and customer questions shift from “what is it?” to “how do you make yours?” Most people now recognize 5-HTP as a sought-after ingredient for dietary supplements, but few actually see the impact of good manufacturing practices and raw material control. The route we use—starting with Griffonia simplicifolia seed extract—calls on significant expertise, not only to deliver high-purity product but to keep contaminants like heavy metals, alkaloids and pesticide residues out of the final powder.
Inside our production area, the difference comes down to consistency. Each batch must meet the main test: clarity, color, taste, chemical fingerprint, and, above all, purity by HPLC. It’s not difficult to get a white or off-white powder, but that alone says very little about what’s in the drum. Many sources of 5-HTP, particularly from less regulated environments, contain a jumble of unwanted byproducts. We test for every one.
Our core model is 5-HTP 98% HPLC powder. That figure reflects independent laboratory results and is not a maximum — it's often higher. Analytical results always accompany every shipment, as required by long-term buyers who actually formulate tablets or capsules from our material. This isn’t just a paper exercise: poor quality batches from other sources have triggered recalls, litigation, and even product seizures overseas. We invest in reliable batch control and documentation so that issue never happens on our watch.
Producers who choose to source from Griffonia seeds, instead of synthesizing from petrochemical stock, present another layer of quality concern — toxic alkaloids, irregular appearances, and adulteration with synthetic tryptamines. The majority of disputes in the 5-HTP field relate to these shortcuts. We choose full-spectrum LC-MS testing, which spots hidden contaminants even outside the normal 90-98% HPLC baseline. Many manufacturers dilute poor material with excipients to meet weight and appearance targets, but we never blend bulk with excipients or fillers. Our process requires slow, careful extraction followed by repeated recrystallization. The result is a single, easily dosed product that functions not only in dietary supplement applications, but also as a validated building block for research and pharmaceutical developers.
Each drum, bag, or container gets a unique traceability code. This isn’t just an internal measure. Customers—be they international nutraceutical companies or independent researchers—are able to backtrack every shipment to its raw seed lot, processing stage, and packaging date. We’ve embraced this style of absolute transparency not for marketing purposes, but because so many ingredients in the amino acid market are clouded by ambiguous origin, re-bagged intermediates, and third-party brokers.
We focus on two grades of 5-HTP: USP/EP standard for global supplement brand owners who ship worldwide, and a research grade option for universities, pilot laboratories, and companies involved in new drug development. Specifications for our commercial batches regularly hit 98% purity by HPLC. Laboratories will commonly ask about supplementary measures: moisture, heavy metals, pesticides, microbial load, solvent residues, and specific enantiomeric configuration. We have seen measurement data from across the industry, and lower purity batches often support claims of “equivalent effect” or “interval controls,” but few publish test results for actual performance.
Our 5-HTP is manufactured under ISO-certified workflows. All input materials—seeds, solvents, water—pass through a multi-level approval: visual, chemical, and biological safety. This slows our batch turn-around compared to some high-volume commodity factories. Cleanrooms, ultrafiltration, and negative-pressure packaging areas have all been part of our capital investment. We see these as minimum requirements, not selling points.
Pack sizes are deliberately calibrated. Most bulk is packed in nitrogen-flushed, double-walled 25kg fiber drums with heavy-duty HDPE inner liners. This protects the delicate molecule against oxygen and humidity, which can degrade content on the shelf. For smaller scales, as requested by formula developers and academic labs, packing is available in 1kg to 5kg tamper-evident bags, always with chain-of-custody safeguards. We communicate these choices because many buyers have experienced what can go wrong—product caking, color shifts, odors caused by exposure to volatile solvents, or clear evidence of re-bagging in uncontrolled environments.
Most of what leaves our site is ordered by nutraceutical brands, contract manufacturers, and clinical researchers. Dosing formulas and blending pathways depend on precision at every stage. 5-HTP must remain stable throughout blending, tableting, or encapsulation, and this means moisture control is crucial. Our shop floor workers have watched firsthand how exposure or poor packaging can ruin a batch destined for retail, making someone’s job at the other end much harder. This is not unique to our material; it happens wherever a manufacturer undermines their process.
Beyond supplement use, 5-HTP finds application as a biochemical precursor in laboratory synthesis and in the development of serotonin-targeted pharmaceuticals. A number of regulatory filings worldwide reference our product specifically, due to the verifiable batch data and full transparency over solvents, reagents, and side-reaction potentials. It is this reputation for accuracy that has drawn repeat orders from national research institutions and multinational pharmaceutical laboratories.
Some clients ask why tablets or capsules made with our 5-HTP show better uniformity and color stability than those using competitor products. The answer tracks back to our production controls. Lower-purity 5-HTP often comes laced with isomeric byproducts or residual solvents that trigger unexpected color changes or degrade during storage. Our ongoing investment in filtration and purification eliminates these concerns at the source.
The 5-HTP world has become crowded with bulk traders, resellers, and brokers who rarely touch the actual chemical—they only pass it along. Batch splits and repacking introduce error, increase contamination risk, and complicate authenticity checks. Our approach is to keep every step on-site, ship only in original pack, and publish independent laboratory certificates for every lot. We believe this approach limits doubts and false claims about purity, origin, or specification.
We’ve seen the market flooded by lower-cost, off-spec products marketed as “equivalent” or “standard” 5-HTP. These are often produced without sufficient filtration steps or from questionable seed stock. Purity by TLC or spot chemical assays will miss trace contaminants; only full HPLC data uncovers the actual spectrum of related compounds. Over the years, buyers—from industry veterans to new entrants—have sent us competitor samples, some clumped or off-color, others plainly adulterated with excipients to increase volume. We encourage all serious buyers to independently test for purity, even if it costs more upfront, since quality issues discovered downstream risk product reputation and regulatory action.
As direct manufacturers, we sidestep layers of markup and relabeling. This isn’t just about price: it’s mainly about traceability and reducing the risk of error. The world has seen multiple ingredient safety scandals traceable to re-brokering and price shaving. Reputable supplement companies and major food brands now demand batch documentation and supplier transparency for every ingredient, due to the stakes involved.
Testing sets quality material apart from mass market product. Meeting the standards is not about paperwork but about rigorous, repeated checking. In our process, powder does not ship until validated for microbial content, heavy metals, specific alkaloids, and unwanted isomers. We run both batch release and long-term stability testing in climate-controlled warehouses, so that batch deviation never makes it past our doors. Sales staff communicate these results directly, not through third parties or blind documents.
We work with third-party labs in North America, Europe, and Asia to oversee randomly selected shipments. There’s a clear trend: buyers want all data, not just what the seller picks to show. As a result, every outgoing batch includes certificates of analysis, and buyers gain access to source data—chromatograms and lab notes—not only marketing summaries.
Some have asked why we don’t “overstep” into finished supplement production, but our philosophy remains clear: keep the ingredient pure, document the process, and let each specialist do what they do best. We see too many problems when suppliers try to cover multiple links in the chain, losing sight of ingredient stewardship and transparency.
Griffonia seed harvesting presents risks: overharvesting, habitat loss, and price fluctuations track closely with weather and ecological policy. We aim for transparent supply chains and supplier engagement in West Africa, working with growers to avoid unsustainable collection or unregistered chemical treatments. It’s not a simple process, but regular audits, on-site visits, and quality premiums for better seeds help stabilize long-term sourcing. As with any botanical-driven ingredient, market floods and shortages do happen, but we’ve weathered these with managed inventory and by positioning our production for multi-year coverage rather than just-in-time supply.
Safety matters on both sides: worker safety during extraction and customer safety in the end product. We’ve spent on upgrading local extractors, air filtration, solvent recovery, and protective protocols. Costs run higher than at many low-wage factories, but this investment reduces incidents, drives worker retention, and translates to more reliable output. There’s no “race to the bottom”—cost savings from neglecting plant safety almost always come back to haunt in the form of recalls, injuries, or legal action. Production teams know each batch’s risks, from flammability to dust control, and we maintain full hazard reporting for others in the supply chain.
5-HTP remains under regulatory observation worldwide. Some markets demand additional documentation for purity, solvent residues, or allergen potential. We have kept up with evolving changes in the European Pharmacopoeia and USP standards, adapting our processes to exceed minimum requirements. The tighter the rules become, the more it becomes a benefit for direct manufacturers willing to keep documentation and quality assurance at the core of operations. Regulatory bodies respond to supply chain lapses with new rules; we answer these with greater transparency, ongoing staff training, and documented traceability back to the original farmer’s field.
Counterfeit and off-spec ingredients have led to regulatory visits, seizures, and loss of reputation for companies who buy only on price. By running our process in-house, and by holding ourselves accountable every step, we avoid being swept up by regional or industry-wide crackdowns. Experienced buyers ask for more detail—and deserve it. The newer entrants may focus only on paperwork at first; one quality incident and that changes forever. The lesson for all: trust what you can confirm, demand documentation, and partner direct.
We respond quickly to requests for test data, regulatory certifications, or logistical documentation because we manage these files in-house. Global clients expect interactive support—from batch reservations to rush shipments, and feedback on batch-specific test data. For custom specifications, such as rare isotope labeling or special purity screens, we handle requests through close shop-floor and laboratory coordination, not by passing the request downstream. Product development teams, whether on the supplement or research side, value not only chemical specification but actual, real-world responsiveness to ever-changing needs.
Many supplement companies have responded to growing consumer pressure for “clean label” ingredients. Tighter ingredient scrutiny means renewed focus on the upstream supply chain, and our clients increasingly request full allergen statements, GM status confirmation, and pesticide screening data. We have updated both our technical documents and internal workflows to keep pace. As input from regulatory bodies or major distributors changes, we change as well. Our role is not to dictate to market segments but to make sure every batch we ship stands up to scrutiny, both in the lab and the marketplace.
We do not see 5-HTP production as static. Customers guide improvements with detailed questions on batch-to-batch performance, regulatory acceptance, or formulation success rates. Regular feedback from R&D users, supplement formulators and even smaller start-up brands informs our internal reviews and investment decisions. Sometimes this means adding a new QC checkpoint or updating analytical instrumentation, at other points it requires direct dialog with seed growers or regulatory experts.
Buyers in today’s market have become ingredient experts on their own terms. They look past language on a website and examine actual batch records, supply chain audits, and laboratory documentation. We take this as a sign of progress. The days of anonymous bulk powder trading are fading fast, and ingredient makers will either adapt to these expectations or risk being left behind. As global interest in traceable, clean-label, high-purity 5-HTP grows, the true value arises from those who actually make, check, and stand behind the raw materials. And from our position—at the factory, with boots on the floor and hands in the process—no other way holds together.