Can Pycnogenol cause constipation?

Q: I read about Pycnogenol for hot flashes and tried it. It worked within only a few days. The main side effect was constipation. Dhuʻl-H. 27, 1430 AH

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Is grape seed extract better than Pycnogenol?

When it comes to improving blood flow, the compounds in pycnogenol that improve blood flow are the exact same molecules in grape seed extract that improve blood flow. The benefits of one are the benefits of the other, and the main difference is that grape seed extract is much cheaper. Does Pycnogenol lower blood sugar? Pycnogenol® is a trademarked supplement derived from the bark of the French Maritime Pine tree, rich in antioxidants called oligomeric procyanidins (or OPCs). Pycnogenol® appears to lower blood glucose and improves diabetic changes to the small blood vessels.

Does pine bark cause constipation?

Safety of Pine Bark Extract Common side effects may include gastrointestinal discomfort, nausea, dizziness, headache, sleepiness, urinary retention, urinary frequency, constipation, and increased perspiration. How much resveratrol is safe? Resveratrol supplements are possibly safe when taken by mouth in doses up to 1500 mg daily for up to 3 months. Higher doses of up to 2000-3000 mg daily have been used safely for 2-6 months. But these higher doses are more likely to cause stomach upset.