3 findings behind this formula. Hover a card for the detail and the source.
Daily or weekly vitamin D reduced the odds of acute respiratory infections, especially in people with very low vitamin D.
Individual participant data meta-analysis of 25 RCTs (10,933 people). Vitamin D reduced infection risk overall (adjusted odds ratio 0.88), with daily or weekly dosing protective (0.81) and the strongest effect when baseline 25(OH)D was below 25 nmol/L (0.30).
In healthy adults with poor sleep, magnesium bisglycinate improved insomnia scores after four weeks compared with placebo.
Randomised, double-blind, placebo-controlled trial in 155 adults given 250 mg elemental magnesium daily as bisglycinate. Insomnia Severity Index improved significantly more than with placebo, a modest effect.
In healthy men aged 45-55, purified shilajit 250 mg twice daily raised total and free testosterone versus placebo.
Randomised, double-blind, placebo-controlled trial over 90 days. Total testosterone, free testosterone and DHEAS rose significantly compared with placebo, while LH and FSH were maintained.