Most adults shouldn’t take selenium for hair loss; correct deficiency to about 55 mcg/day total intake and never exceed 400 mcg/day without a clinician.

Most adults can use 3–8 g dried or 60–120 g cooked shiitake daily; extracts vary by product, with common ranges of 500–2,000 mg per day.

Most adults do best with 20–40 g whey protein within 30–60 minutes after training, scaled by body weight, recent meals, and goal.

For most healthy adults, 75–150 g cooked fresh shiitake or 5–10 g dried per day is a sensible range.

Most adults use 250–500 mg of purified shilajit daily; start low, follow the product label, and speak with a clinician if you take medicines.

For testosterone, purified shilajit resin is typically used at 250 mg twice daily for 90 days, based on human trials.

For shilajit, most adults start at 250–500 mg per day of purified extract and adjust only with label guidance and your doctor’s advice.

For shilajit dosage for men, a common safe range is 250–500 mg of purified resin per day, taken once or split, unless a clinician advises otherwise.

Most people do best with 20–40 g of whey after training, which usually equals 1–2 scoops based on the protein per scoop on your label.

Most adults should cap shilajit at 300–500 mg per day, using purified products; short trials used up to 2,000 mg with medical oversight.