Procyanidin B1 vs B2 in Grape Seed Extract
Procyanidin B1 and procyanidin B2 are B-type dimers found in grape seed. Both join two flavan-3-ol units through a single carbon-carbon interflavan bond, commonly C4 to...
Grape Seed Catechins vs Oligomeric Proanthocyanidins
Grape seeds contain both small flavan-3-ol units and larger chains built from those units. Catechin and epicatechin are monomers. When several flavan-3-ols connect, they form oligomeric...
Resveratrol, Green Tea, Grape Seed and Turmeric Polyphenols
Polyphenol is a broad chemical category, not a single ingredient. Luvixy formulas include several recognizable families: resveratrol in NAD+ and Cayenne Drops, green tea compounds in...
Grape Seed, Vitamin E and Turmeric in the 240-Softgel Cayenne Formula
The 12-in-1 Luvixy Cayenne softgel formula is led by cayenne pepper seed oil, yet its antioxidant story is broader. One serving also includes 100 mg grape...
Aloe, Licorice, Turmeric and Grape Seed in EsoRepair
EsoRepair's four botanical extracts are disclosed individually: 300 mg aloe vera leaf, 250 mg licorice root, 120 mg turmeric root and 100 mg grape seed per...
Eight Headline Ingredients in a 12-in-1 Cayenne Formula
The current listing highlights eight ingredients inside the broader 12-in-1 formula: cayenne, grape seed, hawthorn, black pepper, turmeric, beetroot, vitamin D3 and vitamin K2. Together they...
Hawthorn vs Grape Seed vs Ginkgo: Polyphenols Compared
Hawthorn, grape seed and ginkgo are all described as polyphenol-rich, but that broad label hides meaningful differences. Hawthorn supplies flavonoids and procyanidins, grape seed is especially...
Polyphenols and the Gut Microbiome: From Plants to Metabolites
Many plant polyphenols are too large or chemically complex to be absorbed unchanged. Gut microbes can split, reduce and dehydroxylate them, producing smaller metabolites with new...
Grape Seed Proanthocyanidins: Collagen, Capillaries & Antioxidants
Grape seeds contain concentrated polyphenols that are largely absent from clarified grape juice. Their best-known group is proanthocyanidins, chains of flavan-3-ol units with strong redox activity....















