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Guaranine

helps restore mental alertness or wakefulness when experiencing fatigue or drowsiness.

Sold without prescription in some countries Oral

How to use Guaranine

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

Helps restore mental alertness or wakefulness when experiencing fatigue or drowsiness

How to take it and how often
  • Adults and children 12 years and over: take 1 tablet not more often than every 3 to 4 hours
  • Children under 12 years: do not use
Talk to a doctor first if

for children under 12 years of age as a substitute for sleep

Warnings

For occasional use only Caffeine warning: The recommended dose of this product contains about as much caffeine as a cup of coffee. Limit the use of caffeine-containing medications, foods, or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heart beat. Do not use for children under 12 years of age as a substitute for sleep Stop use and ask a doctor if fatigue or drowsiness persists or continues to recur. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

Possible side effects

Fatigue or drowsiness persists or continues to recur.

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

How to store it

Each tablet contains: calcium 35 mg TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN store at 25ºC (77ºF); excursions permitted between 15º-30ºC (59º-86ºF) see end flap for expiration date and lot number Keep out of reach of children.

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2025-09-04.

Registered products

Nigeria (NAFDAC)

NAFDACMixanal Caplet 04-4184

Other countries: check your pack's registration number and we point you to your regulator.

Check your pack of Guaranine

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · NAFDAC · WHO alerts

Questions about Guaranine

What is Guaranine used for?

helps restore mental alertness or wakefulness when experiencing fatigue or drowsiness (From the official U.S. FDA label.)

How do I take Guaranine?

Follow your prescription or the leaflet in your pack. The official label says: adults and children 12 years and over: take 1 tablet not more often than every 3 to 4 hours children under 12 years: do not use…

Do I need a prescription for Guaranine?

In many countries Guaranine is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Guaranine?

Guaranine is sold under names such as Pamprin Max Formula, Stanback Headache Powder Reformulated Jan 2011, Capacet, Bc Arthritis, Bc Original Formula, Arthriten Inflammatory Pain, Exaprin, Backaid Ipf. Brand names differ between countries.

How can I check that my Guaranine is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.