Can I take Glycomet and Zincovit together?
Drug interaction guide
Originally published 14 Mar 2026
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There is no known harmful interaction between Glycomet (metformin) and Zincovit (a multivitamin and mineral supplement). In fact, taking these together may be beneficial because long-term use of metformin can sometimes lower your Vitamin B12 levels, which Zincovit helps to replenish.
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Why this happens
Metformin can interfere with the absorption of Vitamin B12 in the gut. Zincovit contains Vitamin B12 (cyanocobalamin) and other nutrients that support metabolic health. There are no significant overlaps in how the body processes (metabolises) these two products that would cause a negative reaction.
What you should do
Back to contentsIt is safe to take these together. To reduce the risk of stomach upset, it is usually best to take Glycomet with or after a meal. You can take Zincovit at the same time. Continue to have your Vitamin B12 levels checked by your doctor once a year if you are on long-term Glycomet treatment.
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Important precautions
Back to contentsLactic Acidosis Risk
Stop taking this medicine and seek urgent medical help if you experience severe vomiting, muscle cramps, or extreme tiredness. This can be a sign of lactic acidosis, a rare but serious complication, especially if you have kidney problems or drink heavy amounts of alcohol.
Severe Kidney Disease
You must not take this medicine if your kidneys are not working properly, as it can lead to a dangerous build-up of the drug in your blood.
Medical Scans with Contrast Dye
If you are having an X-ray or scan involving an injection of 'contrast dye', you must stop taking Glycomet for 48 hours before and after the procedure to prevent sudden kidney failure.
Food and drink warnings
Back to contentsAlcohol
Drinking alcohol while taking Metformin can increase the risk of a rare but serious condition called lactic acidosis. It can also cause your blood sugar levels to drop too low (hypoglycaemia). Avoid excessive drinking and binge drinking.
Dairy products (Milk, Cheese, Yoghurt)
Calcium in dairy products can interfere with the absorption of certain minerals in Zincovit, particularly zinc. It is best to take this supplement at least 2 hours before or after consuming dairy.
Tea and Coffee (Caffeine/Tannins)
The tannins and caffeine in tea and coffee can reduce the absorption of vitamins and minerals like zinc and iron. Avoid taking your supplement with these drinks; use water instead.
Whole grains and Legumes (Phytates)
Foods high in phytates (like whole-grain cereals, beans, and nuts) can bind to zinc and prevent your body from absorbing it effectively. Try to take your supplement at a different time from these foods.
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Using other medicines
Back to contentsTaking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published

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