A 16-ounce latte typically lands near 150 mg of caffeine; each added espresso shot boosts it by roughly 60–75 mg.

One 16-oz can of Monster energy has about 160 mg of caffeine; Zero Ultra lists 150 mg per 16-oz can.

Adults: 25–50 mg diphenhydramine every 4–6 hours (max 300 mg/day); kids’ dosing is weight-based per label or pediatric guidance.

Typical adult dosing is 500–875 mg every 12 hours or 250–500 mg every 8 hours, based on infection type and your prescription.

For adults, Aleve (naproxen sodium) is 220 mg every 8–12 hours, with up to 440 mg once for the first dose and no more than 660 mg in 24 hours.

For adults, OTC ibuprofen (Advil) is 200–400 mg every 4–6 hours; daily cap 1,200 mg unless a clinician sets a prescription plan.

A typical cigarette delivers about 1–2 mg of nicotine to the smoker, while the tobacco itself contains much more.

For sleep onset, start with 0.5–1 mg melatonin 30–60 minutes before bed; many adults do well in the 1–3 mg range.

For most adults, melatonin dose safety sits at 0.5–5 mg nightly, starting low and raising only with clinician guidance.

Try 100–200 mg elemental magnesium (as glycinate) 30–60 minutes before bed, staying under the 350 mg/day supplemental upper limit.