Thorne Grape Seed Extract
vs
California Gold Nutrition Longevity Boost
Supplement Comparison

  • Grape (Vitis vinifera) Seed Extract: same total amount on both labels
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Grape Seed Extract vs California Gold Nutrition Longevity Boost.

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Frequently asked questions

Which active ingredients does Thorne Grape Seed Extract have?

  • Grape (Vitis vinifera) Seed Extract appears as Grape Seed Phytosome

Which active ingredients does California Gold Nutrition Longevity Boost have?

  • Resveratrol appears as Trans-Resveratrol
  • Grape (Vitis vinifera) Seed Extract appears as Grape Seed Extract and Grape Pomace Extract Blend
  • Olive Leaf Extract appears as Olive Leaf Extract (Olea europaea) standardized to 20% Oleuropein
  • Medium Chain Triglycerides (MCTs) appears as MCT Oil Powder

Which categories do Thorne Grape Seed Extract and California Gold Nutrition Longevity Boost belong to?

  • Antioxidant Complex
  • Herbal Extract

What health concerns do Thorne Grape Seed Extract and California Gold Nutrition Longevity Boost address?

  • Antioxidant Support
  • Heart & Cardiovascular Health
  • Skin, Hair & Nail Health
  • Cellular Health
  • Healthy Aging & Longevity

Which product has a higher amount of Grape (Vitis vinifera) Seed Extract per serving?

  • Both products list the same total amount of Grape (Vitis vinifera) Seed Extract per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Grape Seed Extract: 1 capsule
    • California Gold Nutrition Longevity Boost: 2 capsules

Last updated: February 12, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team