When used with antibiotics, adults often take 10–20 billion CFU of acidophilus a day, spaced 2 hours from each antibiotic dose, under medical advice.

For most healthy adults, total acetaminophen from all sources should not be more than 4,000 milligrams in 24 hours.

Most healthy adults should keep total acetaminophen under 3,000–4,000 mg in 24 hours, including all tablets and combination cold or flu products.

Each standard Tylenol 3 with codeine tablet contains 300 milligrams of acetaminophen along with 30 milligrams of codeine.

Most healthy adults take 1–10 billion CFU of acidophilus per day, adjusted for the product label, gut goals, and advice from their doctor.

There is no single standard acidophilus dose for yeast infections; many adults use 1–10 billion CFU daily under product and clinician guidance.

Most adults take 500–2,000 mg of acetyl-L-carnitine per day, split into one to two doses, unless a clinician suggests otherwise.

Most healthy adults can take up to 4,000 mg of acetaminophen in 24 hours, but doctors often advise staying near 3,000 mg on most days.

Your stomach usually holds 20–100 milliliters of strong acid with a pH around 1.5–3.5, enough to digest food and block many germs.

Most healthy adults tolerate 1–10 billion CFU of acidophilus a day, but the right dose depends on your body, product, and medical guidance.