A1QD Healthy - Healthy living, nutrition & wellness guides

Glucosamine sulfate helps some people with knee arthritis; the cheap HCl form doesn't. Dose, salt form and twelve weeks decide whether it works.

A glass of orange juice has twice the sugar and a fifth of the fiber of the oranges it came from - and the detox claim was never tested in…

Seven thousand steps a day is where the mortality curve flattens, and short post-meal walks move glucose more than a long gym session does.

Clinical trials use 500-1,500 mg of curcumin, not the quarter teaspoon in your curry - and plain turmeric is only about 3% curcumin.

SPF 30 blocks 96.7% of UVB and SPF 50 blocks 97.9% - so why the amount you actually apply matters far more than the number you buy.

0.3 mg or 10 mg? The dose range from the sleep studies, why more isn't better, and how to time it for jet lag or late bedtimes.

Eight glasses is a myth with a 1945 origin. Real numbers by body weight, heat and training - plus the foods that count as fluid.

11 mg or 40? Which zinc forms your body actually absorbs, why 50 mg a day quietly depletes copper, and the dose that shortens a cold.

How long muscle protein synthesis really lasts, the minimum hours between sessions by muscle group, and which recovery tricks work versus cost money.

Yogurt, kimchi, kefir and capsules compared: which strains do what, how many CFUs you actually need, and where fermented foods stop being enough.