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  1. What is Pycnogenol and does it work? - ConsumerLab.com

    Feb 18, 2015 · Learn more about Pycnogenol, including evidence from clinical studies on blood clots, osteoarthritis, cognition, vision, tinnitus, and the skin and safety.

  2. Supplements for Tinnitus - ConsumerLab.com

    Dec 4, 2025 · Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.

  3. Clinical Updates - ConsumerLab.com

    Jan 5, 2024 · Supplements containing pine bark extracts, such as Pycnogenol, vary significantly in cost, mainly due to the type of pine bark used. Find out if the source matters, and what to …

  4. 2025 Vitamin & Supplement Users Survey and Report

    Every year, ConsumerLab.com conducts consumer research of thousands of people who use dietary supplements and nutritional products. The annual survey identifies the specific …

  5. Supplements for Varicose Veins or Chronic Venous Insufficiency ...

    Nov 13, 2025 · Pycnogenol (pine bark extract) Pycnogenol is a branded extract from the bark of French maritime pine promoted for various uses due to its antioxidant and anti-inflammatory …

  6. Supplements for Raynaud's Phenomenon - ConsumerLab.com

    Aug 28, 2023 · Taking Pycnogenol, a branded pine bark extract supplement, in addition to standard management (avoiding cold, wearing gloves, etc.), was shown to reduce pain and …

  7. Fibromyalgia Supplements: Which May Help and Which Don't

    Feb 1, 2024 · Find out if any supplements may help improve fibromyalgia symptoms, learn which supplements do not seem beneficial, and find out if any supplements worsen symptoms.

  8. What are the benefits of grape seed extract? - ConsumerLab.com

    Jan 27, 2025 · OPCs are also found in pine bark extracts, such as Pycnogenol. Sign in as a member to find out about the health effects of grape seed extract for venous insufficiency …

  9. Supplements for Reducing Nighttime Urination - ConsumerLab.com

    Oct 21, 2024 · Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.

  10. High Blood Pressure Supplements Reviewed by ConsumerLab.com

    Dec 23, 2018 · Reviews of supplements for High Blood Pressure including quality ratings and comparisons by ConsumerLab.com which tests and reviews vitamins, supplements, nutrition, …