Champ Vita Blog

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.

NIH research shows vitamin B12 supplements only boost energy in people who are actually deficient — here's exactly who that is, and why doses run so high.

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.

The largest ginkgo biloba trial ever run — 3,069 people over 6 years — found no dementia benefit. Here's the real evidence, plus the drug interactions to know.

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.

AREDS2 cut AMD progression risk by about 26% - but that is the full six-ingredient formula, in people who already had the disease. What the NIH evidence really shows.

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.

NIH says biotin deficiency in a healthy adult has never been reported, yet high-dose biotin supplements can distort blood tests badly enough to mask a heart attack.

An 8-week randomised trial found curcumin eased knee osteoarthritis pain more than placebo, but NIH warns enhanced-bioavailability curcumin can cause liver damage.

NIH reviews show probiotics cut antibiotic-related diarrhoea risk by about half, but evidence for IBS and immunity claims is much weaker. What actually holds up.