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Most adults need 1,000–1,300 mg of calcium per day, with higher needs for teens, older adults, and during pregnancy.

Most healthy adults do well at up to 400 mg of caffeine daily; pregnancy and teens need lower limits.

A standard 8.4-oz Red Bull has 80 mg of caffeine; larger cans hold 114–198 mg depending on size.

A 12-oz Coca-Cola Classic has about 34 mg of caffeine; a 330 ml can has ~33 mg, and Diet Coke of the same size sits near 46 mg.

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.