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L-methionine

INDICATIONS For the temporary relief of shortness of breath, coughing, sneezing, runny nose, sadness, difficulty losing weight, or dry skin.*.

Sold without prescription in some countries Oral

How to use L-methionine

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

INDICATIONS For the temporary relief of shortness of breath, coughing, sneezing, runny nose, sadness, difficulty losing weight, or dry skin.*

How to take it and how often
  • Place drops under tongue 30 minutes before/after meals
  • Adults and children 12 years and over: Take 10 drops up to 3 times per day
  • Consult a physician for use in children under 12 years of age
Warnings

In case of overdose, get medical help or contact a poison control center right away. Keep out of the reach of children. If pregnant or breastfeeding, ask a healthcare professional before use.

Pregnancy and breastfeeding

If pregnant or breastfeeding, ask a healthcare professional before use.

How to store it

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 2026-01-08.

Registered products

United States (FDA)

MetaloginGARLIC 3 [hp_X]/mL, BERBERIS VULGARIS ROOT BARK 3 [hp_X]/mL, GLYCYRRHIZA GLABRA 3 [hp_X]/mL · Liquid · BioActive Nutritional, Inc.
NDC 43857-0617Label
Methylation Assist LiquescenceINOSITOL 6 [hp_X]/mL, METHYLCOBALAMIN 6 [hp_X]/mL, NADIDE 6 [hp_X]/mL · Liquid · Nutritional Specialties, Inc.
NDC 83027-0095Label
Aacg-a, Aacg-b, Adenosinum Cyclophosphoricum, Berberinum, Calcarea Carbonica, Cinchona Officinalis, Cholinum, Colibacillinum Cum Natrum Muriaticum, Curcuma Longa, Methylcobalamin, Dna, Ferrum Metallicum, Panax Ginseng, L-glutamic Acid, Hepar Suis, Hypothalamus Suis, Indolum, Insulinum, Iodium, Lycopodium Clavatum, Magnesia Carbonica, L-methionine, Pancreas Suis, Stomach (suis), Zincum Metallicum, 7-oxo-dehydroepiandrosterone-3b-acetateAPC-356433 1000 [hp_X]/mL, APC-356434 1000 [hp_X]/mL, ADENOSINE CYCLIC PHOSPHATE 1000 [hp_X]/mL · Liquid · Deseret Biologicals,Inc.
NDC 43742-2300Label
Aacg-a, Aacg-b, Adenosinum Cyclophosphoricum, Berberinum, Calcarea Carbonica, Cinchona Officinalis, Cholinum, Colibacillinum Cum Natrum Muriaticum, Curcuma Longa, Methylcobalamin, Dna, Ferrum Metallicum, Panax Ginseng, L-glutamic Acid, Hepar Suis, Hypothalamus Suis, Indolum, Insulinum, Iodium, Lycopodium Clavatum, Magnesia Carbonica, L-methionine, Pancreas Suis, Stomach (suis), Zincum Metallicum, 7-oxo-dehydroepiandrosterone-3b-acetateAPC-356433 500 [hp_X]/mL, APC-356434 500 [hp_X]/mL, ADENOSINE CYCLIC PHOSPHATE 500 [hp_X]/mL · Liquid · Deseret Biologicals,Inc.
NDC 43742-2301Label
Aacg-a, Aacg-b, Adenosinum Cyclophosphoricum, Berberinum, Calcarea Carbonica, Cinchona Officinalis, Cholinum, Colibacillinum Cum Natrum Muriaticum, Curcuma Longa, Methylcobalamin, Dna, Ferrum Metallicum, Panax Ginseng, L-glutamic Acid, Hepar Suis, Hypothalamus Suis, Indolum, Insulinum, Iodium, Lycopodium Clavatum, Magnesia Carbonica, L-methionine, Pancreas Suis, Stomach (suis), Zincum Metallicum, 7-oxo-dehydroepiandrosterone-3b-acetateAPC-356433 300 [hp_X]/mL, APC-356434 300 [hp_X]/mL, ADENOSINE CYCLIC PHOSPHATE 300 [hp_X]/mL · Liquid · Deseret Biologicals,Inc.
NDC 43742-2302Label

Nigeria (NAFDAC)

NAFDACUptamin Capsules A11-1306NAFDACFinamin Syrup 200 mL A4-2789NAFDACMestymin Syrup 200 mL_ A11-100661NAFDACStanvite Capsules## (strength format) A11AANAFDACUptamin Syrup## (check strength and composition) A4-7548

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

Check your pack of L-methionine

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3 free checks left today Official sources: U.S. FDA · EMA (EU) · NAFDAC · WHO alerts

Questions about L-methionine

What is L-methionine used for?

INDICATIONS For the temporary relief of shortness of breath, coughing, sneezing, runny nose, sadness, difficulty losing weight, or dry skin.* (From the official U.S. FDA label.)

How do I take L-methionine?

Follow your prescription or the leaflet in your pack. The official label says: Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.…

Do I need a prescription for L-methionine?

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

What brands contain L-methionine?

L-methionine is sold under names such as Freamine Iii 10, Clinimix E 4.25/10, Aminosyn Ii 8.5 % With Electrolytes, Sulfite-free, Aminosyn 8.5 % With Electrolytes, Sulfite-free, Trophamine 10 %, Trophamine 6 %, Plenamine, Prosol. Brand names differ between countries.

How can I check that my L-methionine 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.