Supplements
NAD+ Benefits: 9 Claims Checked Against the Human Trials
NAD+ precursors raised blood NAD+ by 22% to 142% in trials. Muscle, weight and blood sugar mostly did not move. Here is…
Supplements
Supplements
Foods High in Nitric Oxide: None Have It, but 7 Vegetables Make It
No food contains nitric oxide. Leafy greens and beetroot carry over 2,500 mg/kg of nitrate, which bacteria on your tongue turn into…
Supplements
How Much K2 Per Day? The Doses Trials Used, 180 mcg to 45 mg
No RDA exists for K2. Trials used 180 mcg of MK-7 or 45 mg of MK-4, and 76% of 500 K2 labels…
Supplements
Three-Sided Toothbrush: Better Only When Someone Else Brushes
Three-sided toothbrushes clean like normal ones when you brush yourself, and better when a caregiver brushes. What 6 trials and a 2018…
Supplements
How Much Biotin Per Day? 30 mcg, and the Typical Pill Has 5,000
Adults need 30 mcg of biotin a day. In 481 supplements the median was 5,000 mcg, and 30% had 10 mg or…
Supplements
How Much Celtic Salt Per Day? The Same Limit as Table Salt
Celtic salt has 17% less sodium per gram than table salt, but the limit is the same: about 1 1/4 tsp a…
Supplements
How Much Bone Broth Per Day? What 175 Labels Show
No trial sets a dose. Across 175 US bone broths, a typical cup has 9 g protein and 326 mg sodium; sodium,…
Supplements
How Much Choline Per Day? 550 mg, and Only 11% of Men Get It
Choline AI: 550 mg for men, 425 mg for women, 450 mg in pregnancy. Only 11% of men reach it, and 68%…
Supplements
How Much Caffeine Per Day? 400 mg, and the Median Man Has 145
FDA: up to 400 mg of caffeine a day for most adults, under 200 mg in pregnancy. The median US man has…
Supplements
How Much Potassium Per Day? 3,400 mg, and One Potato Covers the Typical Gap
Men need 3,400 mg of potassium a day, women 2,600 mg. The typical gap is one potato. Why supplements stop at 99…
Supplements
How Much Vitamin D Per Day? 600 IU, and Food Gives Men 184
Adults need 600 IU of vitamin D a day; food gives the median man 184. Yet only 5% of Americans are deficient.…
Supplements
How Much Sodium Per Day? Under 2,300 mg, and 97% of Men Go Over
Keep sodium under 2,300 mg a day, yet 97% of men and 79% of women eat more. Where it comes from, what…