LifeSource Vitamins Resveratrol Plus — 100 mg — 60 Veg Caps — Cellular & Heart Support*
LifeSource Vitamins Resveratrol Plus provides standardized trans-Resveratrol (from Polygonum cuspidatum) with Leucoselect® Grape Seed Extract (90–95% OPCs) to support vascular function, antioxidant defenses, and healthy aging. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Endothelial function (FMD) support — Single-dose resveratrol significantly improved brachial artery flow-mediated dilation in overweight/obese adults with mildly elevated BP.
NIH/PubMed — Wong, 2011
✓ Vascular function (meta-analysis of human RCTs) — Pooled trials showed resveratrol increased FMD and favorably affected endothelial markers.
NIH/PubMed — Akbari, 2019
✓ Blood-pressure & endothelial measures — Grape seed proanthocyanidin extract reduced systolic/diastolic BP and improved endothelial function in middle-aged adults.
NIH/PMC — Odai, 2019
✓ Antioxidant capacity in humans — Standardized grape seed extract (including Leucoselect® phytosome forms) improved resistance of LDL to oxidation in randomized crossover trials.
NIH/PubMed — Vigna, 2003
✓ Metabolic wellness (specific population) — In patients with NAFLD, resveratrol improved insulin resistance and metabolic parameters vs. placebo.
NIH/PubMed — Chen, 2015
Additional / Promising Evidence
✓ Grape seed extract & blood pressure (healthy adults) — Additional RCTs showed BP modulation with standardized GSE tablets.
NIH/PMC — Schön, 2021
✓ OPCs overview — Updated reviews summarize cardiovascular/vascular findings for oligomeric proanthocyanidins.
NIH/PMC — Nie, 2023
University-Led & Academic Studies
✓ Academic cardiometabolic groups — Improved endothelial function with resveratrol in controlled settings and summarized mechanisms across human trials.
NIH/PubMed — Mohammadipoor, 2022
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University – Linus Pauling Institute, Tufts, Boston University, Cornell, Columbia, Ohio State — to align with credible science.*
Key Ingredients
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Resveratrol — 100 mg (from 200 mg Polygonum cuspidatum root extract, standardized to 50% trans-resveratrol) — Endothelial function & healthy aging support (NIH/PubMed — Wong, 2011).
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Leucoselect® Grape Seed Extract — 10 mg (standardized to 90–95% OPCs) — Vascular tone & antioxidant support (NIH/PubMed — Vigna, 2003).
Brief Benefit Bullets
- Supports healthy vascular/endothelial function*
- Antioxidant support with resveratrol & OPCs*
- Helps maintain metabolic and cardiovascular wellness*
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3rd-party lab tested for identity, potency & purity
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
• Serving Size — 1 Vegetarian Capsule
• Servings Per Container — 60
• Form — Vegetarian capsules
• Free From — Non-GMO; no artificial colors or preservatives*
• Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*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.
Resveratrol Plus with trans-resveratrol & Leucoselect® grape seed OPCs — supports vascular function, antioxidant defenses & healthy aging — third-party tested. Clinically Studied Ingredients — NIH/PubMed!*
