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5-HTP(5-Hydroxytryptophan)
Calm Mood, Restful Sleep

Bulk 5-HTP Supply for Contract Manufacturers & Terminal Brands
Purecium is a premier global B2B supplier of high-purity 5-HTP (5-Hydroxytryptophan), a vital serotonin precursor utilized extensively in mood regulation, stress relief, and sleep support formulations. We supply premium 5-HTP to distributors, contract manufacturers, and terminal brands worldwide. Recognizing the diverse needs of modern supplement formulations, we offer two distinct sourcing options: traditional Griffonia simplicifolia seed extract and highly cost-effective fermentation-sourced 5-HTP derived from Non-GMO corn. Manufactured under strict ISO9001 and FSSC22000 standards, our 80-mesh fine white powder ensures exceptional quality, seamless integration for solid dosages, and reliable global supply.
Product name: 5-HTP(5-Hydroxytryptophan)
Molecular formula: C₁₁H₁₂N₂O₃
Starting material: Corn/Griffonia simplicifolia
Grade: Food grade
Heavy Metals: USP/EP
Pesticide residue: USP/EP
Packing size: 25kg/drum
CAS#: 56-69-9
Molecular weight:220.22 g/mol
Source: Fermentation/Natural
Specification: 98% HPLC
Country of origin: China
Residual solvent: USP/EP
Allergen free/Gluten-free/Non-GMO/Vegan/Non-Irradiation

5-HTP Overview
5-Hydroxytryptophan (5-HTP, CAS 56-69-9, molecular formula C11H12N2O3, molecular weight 220.22 g/mol) is the direct metabolic precursor of serotonin, formed in vivo by hydroxylation of the essential amino acid L-tryptophan. Because the hydroxylation step is tightly controlled by dietary intake, oral 5-HTP supplies the pathway downstream of that rate-limiting point, feeding directly into the serotonin biosynthesis that regulates mood, appetite, and stress responses. Serotonin is in turn the immediate precursor of melatonin, which places 5-HTP at the center of evening-relaxation and sleep-support formulations. The identity data above correspond to the PubChem record for 5-hydroxytryptophan, which serves as the reference description of the molecule for specification purposes.
Purecium supplies food-grade bulk 5-HTP powder in two commercial source profiles: 5-HTP 98% powder from Griffonia simplicifolia seed extract and 5-HTP 98% powder produced by fermentation. Both variants are released at 98% assay by HPLC, and finished lots are controlled to be 'Peak X free', meaning the process-related impurity known as peak X is held below the specification limit documented on the Certificate of Analysis. This dual-sourcing approach lets formulation teams choose between an established botanical extract and a fermentation-derived amino acid with consistent year-round availability.
Source & Ingredient Identity
Commercial 5-HTP originates primarily from the seeds of Griffonia simplicifolia, a West African legume whose seed material is naturally rich in the amino acid, and increasingly from controlled fermentation of food-grade carbohydrate feedstocks by microbial production strains. Both routes deliver the identical molecule registered as 5-hydroxytryptophan (CAS 56-69-9, C11H12N2O3, 220.22 g/mol), so the identity of the finished ingredient is confirmed by monograph-style analytical testing rather than by source alone. Incoming lots are qualified against the identity and specification frameworks described in the USP-NF and European Pharmacopoeia reference standards for amino-acid ingredients.
The botanical route begins with the whole seed, which is milled, extracted, purified, and crystallized to concentrate 5-HTP to the 98% level; the fermentation route converts sugars into the amino acid through a biosynthetic pathway that mirrors the plant route. Buyers comparing the two should weigh assay, impurity profile including peak X content, residual solvents, heavy metals, and microbiological results rather than origin claims alone, because the same USP-NF and EP analytical frameworks apply to both forms. Keeping both source profiles qualified under one supplier program means switching between botanical and fermentation material does not force a complete re-qualification of the ingredient.
Key Characteristics of 5-HTP
The 5-HTP powders are fine, free-flowing, off-white to cream-colored materials released at 98% assay by HPLC, with loss on drying within specification, heavy metals within USP limits, residual solvents per USP and EP methods, and a full microbiological panel on every lot. The differentiator in the current market is impurity control: finished material is verified as 'Peak X free' against the process-related impurity peak X, with the measured result reported on each Certificate of Analysis. Analytical support follows AOAC-referenced procedures and current USP-NF and EP general chapters so that results remain reproducible across independent laboratories.
Functionally, 5-HTP is the rate-limiting precursor in serotonin biosynthesis, and serotonin is subsequently converted to melatonin, so the molecule sits upstream of the two neurochemical pathways most relevant to mood, sleep, and relaxation product categories. The decarboxylation of 5-HTP to serotonin depends on an enzyme whose activity requires vitamin B6 in its coenzyme form, which is why formulators routinely pair 5-HTP with vitamin B6 in finished blends. The NIH Office of Dietary Supplements describes the tryptophan-to-serotonin metabolic sequence in its nutrient information materials, and the amino acid is sensitive to light, heat, and oxidation during processing and storage, so handling and packaging controls are part of the specification program.
5-HTP Manufacturing
5-HTP is manufactured through two controlled routes. In the Griffonia route, dried seed material is milled and extracted with food-grade solvents, and the crude extract is purified by successive concentration, crystallization, and washing steps that raise 5-HTP content to the 98% specification while removing plant pigments, proteins, and related indole compounds. In the fermentation route, a validated microbial process converts food-grade carbohydrate into 5-HTP, which is then isolated, purified, and crystallized to the 98% specification, giving brand owners a production path that is independent of seasonal botanical harvests.
Both routes converge on the same downstream steps: crystals are dried under controlled temperature and humidity, milled to a fine uniform powder, blended for batch homogeneity, and packed under low-moisture, light-protective conditions with oxidation controls in place. Process validation targets removal of the process-related impurity peak X so that finished lots are released as 'Peak X free', and stability programs cover a standard 24-month shelf life with accelerated data available to support customer registration dossiers. Retained samples from every batch are archived so that any downstream inquiry can be traced back to the physical lot and its production records.
Applications of 5-HTP
5-HTP is used by supplement brands and contract manufacturers across four primary application clusters. First, mood and serotonin-support formulas, where 5-HTP acts as the direct precursor in serotonin biosynthesis from tryptophan, a mechanism examined in peer-reviewed research contexts. Second, sleep and relaxation products, where serotonin serves as the precursor to melatonin and 5-HTP appears in evening formulas, an application profiled in NIH Office of Dietary Supplements-style reference materials on the serotonin-melatonin pathway. Third, appetite and weight-management products built on serotonergic-tone research. Fourth, stress and emotional-wellbeing blends that combine 5-HTP with magnesium, GABA, and vitamin B6 as a cofactor in calming formulas.
Typical finished-dose levels of 5-HTP across commercial products fall in the general range of 50-300 mg per day, usually divided into one or two servings, although final levels are set by each brand's own regulatory review and label compliance rather than by supplier guidance. Purecium supports customers with formulation starting points, compatibility screening, and application testing across capsules, tablets, and powder formats intended for facilities operating under current good manufacturing practice expectations as described by the FDA and equivalent regulators. Positioning should reference the serotonin and melatonin pathways and stay within the recognized structural-function framework for dietary ingredients, consistent with how institutional summaries profile this amino acid.
Manufacturing & Quality Control
Every commercial batch of Purecium 5-HTP is produced under ISO 9001 and FSSC22000 certified quality management systems in cGMP-compliant facilities operating with HACCP controls, with Kosher and Halal certification maintained. Finished-product testing covers HPLC assay at the 98% level, loss on drying, heavy metals within USP limits (lead, arsenic, cadmium, and mercury reported in ppm), residual solvents per USP and EP methods, the peak X impurity check, and a full microbiological panel. Analytical methods follow current USP-NF and EP monographs where applicable, with AOAC-referenced procedures for supporting analyses, and every release is documented on the Certificate of Analysis shipped with the batch.
Documentation accompanying each order includes the Safety Data Sheet (SDS), allergen statement, non-GMO verification, and BSE/TSE-free certification, with Kosher and Halal certificates supplied on request. End-to-end batch traceability links raw-material lots, extraction or fermentation parameters, purification steps, and packaging records so that customer QA teams can audit the complete history of any lot. Stability data covering the 24-month shelf life, method validation summaries, and regulatory support files are provided on request to streamline finished-product registration with national authorities.
5-HTP for B2B Supplement Manufacturing
Purecium serves dietary supplement distributors, contract manufacturers (OEM/ODM), and terminal brand owners with bulk 5-HTP in both the 98% Griffonia and 98% fermentation profiles at a standard MOQ of 25 kg. Material is packed in 25 kg net food-grade fiber drums with double polyethylene liners, or as agreed, with lead times of approximately 7-15 days after order confirmation and expedited dispatch from the US warehouse for North American customers; air freight and ocean FCL/LCL shipments are both routine.
Commercial partners receive tiered volume pricing, pilot-scale samples for R&D evaluation, source-selection guidance between Griffonia and fermentation material, and proactive market intelligence on botanical and amino-acid supply trends. Purecium maintains over 15 years of nutraceutical export experience and a dedicated B2B account-management team that coordinates COA documentation, customs paperwork, and regulatory dossiers to keep launch timelines on schedule. Reviewed by the Chief Quality Assurance / Regulatory Affairs Specialist at Purecium for technical accuracy and regulatory alignment.
Feature
Fermentation-Sourced 5-HTP
Natural Extract (Griffonia Seed)
Starting Material.
Non-GMO Corn (Sustainable agricultural source)
Griffonia simplicifolia seeds (Native to West Africa).
Production Method
Advanced microbial bioconversion in a highly controlled, sterile environment.
Mechanical grinding followed by selective solvent extraction.
Cost-Effectiveness
Lower. Approximately 50% lower cost due to scalable, year-round production.
High. Subject to seasonal harvesting and geographic supply chain constraints.
Identification
Both sources can be precisely distinguished and verified using HPTLC analysis.
Both sources can be precisely distinguished and verified using HPTLC analysis.
Quality Assurance: The "Peak X Free" Guarantee
In the late 1980s, an outbreak of Eosinophilia-myalgia syndrome (EMS) was linked to an impurity known as 1,1'-ethylidene-bis-L-tryptophan (EBT) in L-tryptophan supplements. In HPLC chromatograms, this unknown impurity signal appears as a distinct peak, widely referred to in the industry as "Peak X."At Purecium, safety is our ultimate priority. We utilize state-of-the-art purification technology—enhanced chromatography for our natural extracts and tightly controlled metabolic environments for our fermented sources. We guarantee that all Purecium 5-HTP products, regardless of their source, are strictly "Peak X Free," completely eliminating the risk of EBT contamination and ensuring full compliance for the European and North American markets.
Procurement & Supply Chain Fact Sheet
- Minimum Order Quantity (MOQ): 25 kg.
- Packaging: 25kg net weight per drum (Dimensions: 40cm x 40cm x 50cm, Gross: 28 kg).
- Physical Properties: 80-mesh fine white powder.
- Shelf Life: 24 months (Store tightly sealed in a cool, dark, and dry environment).
- Logistics: 2-day pickup from our US warehouses for clients in the US, Canada, and Mexico. Global shipments dispatch from China within one week.
- Compliance: ISO9001, Kosher, Halal, and FSSC22000 certified. Accelerated and long-term stability reports available upon request
5-HTP Frequently Asked Questions (FAQ) for B2B Buyers
1. What is the difference between fermentation-derived 5-HTP and Griffonia simplicifolia extract 5-HTP?
Fermentation 5-HTP is produced at 98% assay from carbohydrate feedstocks; the Griffonia grade comes from seeds at 98%. Both are the same molecule, CAS 56-69-9; the difference is supply security and impurity profile.
2. What does 'Peak X free' mean, and how is peak X tested?
Peak X is a process-related impurity in 5-HTP manufacturing, not a defined compound. Peak X free means each finished lot measures below the release limit for peak X by HPLC, reported on the CoA with the 98% assay.
3. What purity specification does Purecium's 5-HTP meet?
The Griffonia extract grade is released at 98% minimum assay and the fermentation grade at 98%, both by HPLC. Every CoA reports assay, loss on drying, and identity per lot for direct qualification.
4. What are the heavy-metal and residual-solvent limits for 5-HTP?
Every lot runs a 4-metal screen within USP limits, with lead, arsenic, cadmium, and mercury reported in ppm, plus residual solvents per USP/EP and a full microbiological panel, all documented on the CoA.
5. What certifications and quality systems cover 5-HTP production?
Production runs under ISO 9001 and FSSC22000 certified systems in cGMP facilities with HACCP controls, plus Kosher and Halal certification; certificates are shared under NDA with qualified buyers.
6. What is the MOQ, packing, and lead time for bulk 5-HTP?
The standard MOQ is 25 kg in food-grade fiber drums with double polyethylene liners. Lead time is 7-15 days after order confirmation, with faster dispatch from the US warehouse for North American customers.
7. How stable is 5-HTP, and how is oxidation controlled?
5-HTP is sensitive to light, heat, and oxygen, so powder is packed in light-protective, low-moisture containers. Shelf life is 24 months sealed below 25°C; accelerated and real-time stability data are available.
8. Can you supply 5-HTP for OEM capsules or tablets?
Purecium is a B2B raw-material supplier; through certified contract-manufacturing partners we facilitate white-label tablets, capsules, and powders using our 5-HTP, with pilot runs from 25 kg upward.
9. What technical documentation do you provide with each shipment?
Each shipment includes the CoA, Safety Data Sheet, allergen statement, non-GMO verification, and BSE/TSE-free certificate; residual-solvent data and 24-month stability summaries are provided on request.
10. Is 5-HTP suitable for vegan and allergen-controlled labels?
Yes. Griffonia-extracted and fermentation-derived 5-HTP contain no animal components and no major allergens, supporting vegan positioning; the allergen statement confirms absence of the 14 EU and 9 US allergen groups.
11. How should 5-HTP be formulated with vitamin B6 and other actives?
5-HTP suits capsules, tablets, and powder blends. Since serotonin synthesis uses vitamin B6 as cofactor, most formulas pair 5-HTP with B6, magnesium, or GABA; compatibility data are shared with your development team.
12. What finished-dose range is typical for 5-HTP supplements?
Typical finished doses of 5-HTP across commercial products range from 50 mg to 300 mg per day, in one or two servings. Final levels follow each brand regulatory review; we offer formulation guidance in this range.
13. How do you ensure batch-to-batch consistency of 5-HTP?
Extraction or fermentation parameters are fixed in master batch records, every lot is blended for homogeneity, and samples are tested in-process and at release, with retained samples kept for 2 years.
14. Can you support regulatory registration or customer audits for 5-HTP?
We support registrations with CoA data, 24-month stability summaries, method validation files, and facility certificates, and host remote or on-site audits at our cGMP plants; third-party USP/EP testing is coordinated.
15. How do you secure long-term 5-HTP supply and pricing?
Dual sourcing protects supply: the Griffonia grade follows the annual seed harvest, while fermentation capacity runs year-round. Purecium has over 15 years of export experience and stable 7-15 day lead times.
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