Fisetin supplier specification
Nutrition BioTech is a bulk fisetin ingredient supplier and manufacturer, supplying fisetin powder at 98% minimum by HPLC (CAS 528-48-3), extracted from Cotinus coggygria, for B2B nutraceutical and longevity-category formulation.
Every lot ships with a Certificate of Analysis stating identity, HPLC assay and the assay basis, from an ISO 22000 and FSSC 22000 certified quality system. Samples, specifications and COAs are available on request for formulation trials.
| Ingredient name | Fisetin |
|---|---|
| Synonyms | 3,3′,4′,7-tetrahydroxyflavone; 2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-4H-chromen-4-one |
| CAS number | 528-48-3 |
| Molecular formula | C15H10O6 |
| Molecular weight | 286.24 g/mol |
| Assay / purity | 98% minimum by HPLC; other grades available on request. |
| Production route | Botanical extraction and purification from Cotinus coggygria (smoke tree) wood and bark. Botanical origin is stated in the lot documentation. |
| Appearance | Yellow to light-yellow fine powder |
| Solubility | Practically insoluble in water; soluble in ethanol, acetone and DMSO. Solubilized and micronized concepts can be discussed per project. |
| Typical applications | Capsules, tablets, powder sachets and multi-ingredient longevity blends for B2B dietary-supplement programs. |
| Documentation | Certificate of Analysis (identity and HPLC assay with assay basis), specification sheet, heavy metals, microbiological, residual solvents, allergen and GMO statements; stability data available on request. |
| Quality system | ISO 22000:2018, FSSC 22000 and HACCP based quality system, GMP-aligned manufacturing; certificates available on request. |
| Supplier | Nutrition BioTech, 1601 W. Mission Blvd, Suite 103 (DL#29), Pomona, CA 91766, United States |
Fisetin
Fisetin for cellular renewal and advanced longevity supplement formulas.
Why brands ask for it
Fisetin is one of the best-known flavonoids in cellular renewal and senolytic-positioned longevity formulas. Nutrition BioTech supports high-purity fisetin and formulation discussion around particle size, delivery format and supplement dossier needs.
Finished-product fit
Senolytic-research positioning, cellular renewal, healthy aging, longevity formula concepts. The strongest conversations start with format, serving size, documentation, and how the material behaves in the intended formula.
What makes the sample useful
- Strong longevity buzz
- High-purity and particle-size/delivery matters
- Pairs with quercetin, spermidine, NAD, resveratrol
COA-backed Fisetin material
Fisetin 98% for senolytic-research-aware longevity formulas.
Reviewed files support a Fisetin 98% raw material route with HPLC assay, fine yellow powder appearance, 100% pass 80 mesh particle-size specification, 3-year shelf-life, and batch COA review. Lot B01260128 shows 99.45% fisetin purity and 98.5% assay on dry basis, with residual solvent, pesticide, heavy-metal, and microbial-limit review.
Use senolytic and cellular-renewal language as a research-aware positioning route. Keep human outcome, disease, and unsupported clinical-result language out of public copy until product-specific claim review is complete.
Buyer education
How should brands position Fisetin 98% without overclaiming?
Use the support guide to review Fisetin 98% raw material proof, HPLC assay, COA/spec, senolytic-research-aware language, format fit, and the sample/file review route.
Before the sample ships
- Confirm active marker, assay method, and specification range.
- Confirm it 98%.
- Confirm dissolution, dispersion, and the intended powder or granule format.
- Confirm liposomal option.
- Review serving-size logic and label-space fit.
File Package
Ask for the material files that match your market, dosage form, and internal review process.
Available documents may include: COA / Specification / Allergen Statement / GMO Statement / Vegan Statement / Heavy Metals / Microbial Limits / Manufacturing Flow Chart / Residual Solvent / Country of Origin / Composition Statement.
Regulatory & Facility Support
Product-specific regulatory information may include Self-GRAS, NDI/NDIN, GRAS, ODI, or regulatory review notes, depending on the ingredient and target market.
Facility and quality system support may include Kosher, Halal, HACCP, ISO 22000, PCQI, c-GMP, NSF and other applicable certificates upon request.






