Grape Skin Extract Powder – 20% Resveratrol (Vitis vinifera)

Grape skin extract is derived from the skins of red grapes (often wine pomace) and provides anthocyanins, proanthocyanidins and stilbenes such as resveratrol. It is valued for antioxidant, cardiovascular and healthy aging support.

Supplied as a standardized botanical extract powder with a declared marker-compound assay for batch-to-batch consistency.

GUTINS Grape Skin Extract — 20% resveratrol is offered for manufacturers, formulators and brands. Specification: 20% resveratrol; form / technology: Standardized extract; diet suitability: Plant-based.

Product Specifications

Key Benefits

• Provides grape polyphenols including resveratrol
• Supports cardiovascular health
• Supports healthy aging and cellular health
• Provides antioxidant protection
• Supports skin health from within

Uses & Applications

Typical applications: Healthy aging.

• Healthy aging capsules
• Heart health formulas
• Antioxidant beverages and shots
• Beauty-from-within supplements
• Red fruit superfood blends
• Skincare serums

How to Use / Dosage

• Typical daily intake: 100-500 mg/day of extract
• Typical use level: 2-20% in capsule fills; 0.05-0.5% in beverages; 0.1-1% in cosmetics
• Formulation tip: Standardized extracts are best dosed on the basis of the marker assay stated on the CoA.
• Weigh accurately and pre-blend small quantities with a carrier (e.g. maltodextrin, MCC or rice flour) for uniform distribution.
• Final dosage should be based on the lot-specific Certificate of Analysis, the target serving size and the rules of your destination market.

Solubility & Formulation

Polyphenol grades are soluble to dispersible in water and hydroalcoholic solutions; resveratrol-rich grades are poorly water-soluble and soluble in ethanol

Storage & Handling

Store tightly closed in a cool, dry, dark place.. Keep container tightly closed; use clean, dry utensils. Shelf life is typically 24 months in unopened original packaging (see CoA).

Regulatory Note

Grape skin extract is a food/colour ingredient with long use; also used in supplements. Colour use requires colour-additive approval in some markets; verify in the destination market.

Diet suitability: Plant-based. This product is supplied as a raw ingredient for further manufacturing and is not a finished consumer product. The buyer is responsible for ensuring the ingredient, its use level and all label claims comply with the regulations of the destination market (e.g. FDA, EFSA, FSSAI, Health Canada, TGA).

Caution & Disclaimer

• May have additive effects with anticoagulants
• Resveratrol-containing grades may interact with CYP-metabolized drugs
• Sulphite residues possible from wine-industry sources
• Not established for pregnancy and lactation

For manufacturing, formulation and professional use only. Not for direct consumption in concentrated form. Keep out of reach of children. Avoid inhalation of dust and contact with eyes; use suitable PPE when handling. Consult a qualified healthcare professional before use if pregnant, nursing, taking medication or managing a medical condition. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Bulk & Wholesale Orders

Need more than 5 Kg, a custom specification, private label support or documentation (CoA, TDS, SDS, allergen and GMO statements)? Contact the GUTINS team for bulk pricing and lead times.