Check carefully: "Medicines & Vitamins" that must not be taken together!

Check carefully: "Medicines & Vitamins" that must not be taken together!
      Check Before You Take! Some “medications & vitamins” are not best friends… but rivals. Taking them together may reduce absorption or cause unwanted interactions and side effects. Before you mix your pills or supplements in the same dose, check which ones should be taken separately.

Vitamin C × Vitamin B12

• High doses of Vitamin C can damage the structure of Vitamin B12, reducing its absorption and effectiveness — especially for people supplementing B12 for nerve and blood health.

Iron × Green Tea

• Green tea contains tannins that bind to iron in the intestine, reducing absorption — especially plant-based iron. Avoid drinking green tea close to meals or when taking iron supplements.

Vitamin E × Evening Primrose Oil

• Both contain fatty acids with similar properties. Taking them together in high amounts may cause excess Vitamin E intake, leading to dizziness, nausea, or even blood clotting issues.

Anticoagulants (Warfarin) × Fish Oil / Ginkgo Biloba / Ginger

• These supplements improve blood flow, but when combined with Warfarin, they can make blood too thin, increasing the risk of excessive bleeding.

Anticoagulants × Coenzyme Q10

• Coenzyme Q10 may reduce the effectiveness of blood-thinning medications, increasing the risk of blood clots.

Aspirin × Fish Oil / Ginkgo Biloba / Ginger

• Aspirin already thins the blood. Taking it with these supplements can further increase the risk of bleeding or frequent bruising.

Calcium × Coffee

• Caffeine causes calcium loss through urine and reduces calcium absorption in the intestine, lowering the amount your body receives.

Calcium Supplements × Calcium from Food

• Exceeding the body’s calcium needs can lead to kidney stones or calcium deposits in blood vessels, causing long-term health problems.

Calcium × Iron

• They compete for absorption in the intestine. Taking them together reduces iron absorption, affecting red blood cell production.

Easy Tips to Remember

• Separate doses by at least 2 hours if you need to take multiple supplements.
• If you take blood thinners (anticoagulants) or aspirin → always consult your doctor or pharmacist before adding supplements.

      Good health isn’t just about what you take — it’s also about what not to take together. Learn the combinations to avoid so you can stay safe and get the full benefits. If you have a chronic condition, it’s best to consult a healthcare professional before making any changes.


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