Aim for 1/2–1 cup (120–240 ml) of L. reuteri yogurt per day, then adjust based on tolerance and the product’s strength.

For adults with type 1 diabetes, a common start is about one-third of the total daily insulin, then adjust to fasting readings.

L-tyrosine for ADHD is commonly used at 500–2,000 mg per day, split doses; evidence is mixed, so set a plan with your doctor.

For creatine intake, most adults take 3–5 g daily; a 0.3 g/kg loading for 5–7 days can speed saturation.

Most adults use 1–3 grams of L-arginine 30–60 minutes before sleep; start low, assess tolerance, and avoid if you take nitrate or strong BP drugs.

For lansoprazole, adults often take 15–30 mg daily; some cases need 30 mg twice daily—use only as directed by your prescriber.

L-valine intake for adults averages ~26 mg per kg of body weight per day from food; supplemental use is rarely needed outside specific cases.

For KY Jelly, start with a small dab (about a pea) and add more until glide feels smooth, reapplying whenever friction returns.

Most adults start with 250–500 mg at night; without medical guidance, keep L-tryptophan under about 1,000–1,500 mg per day.