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.
supplement safety
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Vitamin B6 for Nerve Health: What the NIH Upper Limit Actually Means
NIH sets vitamin B6's upper limit at 100 mg a day; the EU sets it at 12 mg. This capsule delivers 250 mg daily. Here's what the nerve-damage evidence actually shows. -
Vitamin D3: Why a Popular 5,000 IU Dose Tops the NIH's Limit
NIH caps adult vitamin D at 4,000 IU (100 mcg) a day, yet a popular 5,000 IU softgel sells at 625% of the Daily Value. Here's what the trial evidence actually shows. -
Melatonin for Sleep: The Evidence, the Dose, and the Label Problem
A 2023 lab test found 22 of 25 melatonin gummies were mislabeled. See what NIH, FDA, and CDC data actually show about melatonin evidence, dosing, and child safety.