The exact amount of magnesium L-threonate you should take depends on your gender, age, and other factors. Find out the exact mg range that’s right for you.

DEAR DR. ROACH: What is the recommended daily protein allowance for older adults? I am in my 70s. — P.R. ANSWER: The best studies recommend 1-1.2 grams of protein daily per kilogram of body weight, so ...