For constipation, most adults use one psyllium serving with 8 oz water up to three times daily; begin with one daily dose and adjust.

For ages 12+, one serving is 3 Metamucil fiber gummies; you may take up to 3 servings (9 gummies) per day.

For Metamucil capsules, adults typically take 2–5 capsules up to four times daily with water; always follow the label for your goal.

Metoprolol isn’t approved for anxiety; any dose must be prescribed for you, often as a low, event-based option when a clinician sees fit.

Most adults should not exceed 400 mg of metoprolol succinate or 450 mg of metoprolol tartrate in 24 hours.

Most adults start metformin at 500 mg with food, increasing by 500 mg each week toward 1,500–2,000 mg/day if tolerated for PCOS care.

Metformin dosing for type 2 diabetes starts low at 500 mg daily and increases stepwise toward 1,500–2,000 mg only if tolerated and prescribed.

Metformin typically lowers A1C by about 1% and fasting glucose by 20–60 mg/dL, depending on dose and starting levels.

Daily metformin safety depends on form: up to 2,550 mg for standard tablets, up to 2,000 mg for extended-release when kidney function is normal.