Grape seed extract lowered diastolic blood pressure about 2 mmHg across 19 trials, but the bottle's 16,000 mg is seed weight, not dose. Here is the evidence.
Heart & Cardiovascular
What the large cardiovascular trials actually found on fish oil, red yeast rice and vitamin K, including the FDA warnings the labels leave off.
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CoQ10 for Statin Users: What a 420-Person Heart Failure Trial Found
NIH says the evidence doesn't support CoQ10 relieving statin muscle pain, but a 420-person trial found a real heart-failure benefit at triple the labeled dose. -
Fish Oil for Heart Health: What a 25,871-Person NIH Trial Found
A 25,871-person NIH-funded trial found daily fish oil didn't cut heart attack or stroke risk overall. Here's what the cardiovascular evidence actually supports. -
Vitamin K for Bone and Artery Health: What 31 Clinical Trials Show
A 2,600 mcg vitamin K softgel delivers 22x the adult AI. Here's what 31 pooled clinical trials found for bone density, artery health, and the warfarin risk. -
Red Yeast Rice for Cholesterol: The FDA Warning Behind the Supplement
Red yeast rice's active compound is chemically identical to a statin drug, which is why the FDA treats potent versions as an unapproved drug, not a supplement.