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Bioflavonoids / zinc glycinate Side Effects

Applies to bioflavonoids / zinc glycinate: oral capsule


You should not use bioflavonoids and zinc glycinate if you are allergic to any type of flavonoid or foods such as colored fruits and vegetables, dark chocolate, tea (especially green tea), red wine, or Brazil nuts.

Before taking bioflavonoids and zinc glycinate, tell your doctor about all of your medical conditions. Also tell your doctor if you are pregnant or breast-feeding.

Do not give this medication to anyone under 18 years old without medical advice.

Tell your doctor about all other medicines you use, especially a blood thinner such as warfarin (Coumadin, Jantoven).

You must remain under the care of a doctor while you are using bioflavonoids and zinc glycinate. Visit your doctor regularly.

Get emergency medical help if you have any of these signs of an allergic reaction while taking bioflavonoids / zinc glycinate: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using bioflavonoids and zinc glycinate and call your doctor at once if you have a serious side effect such as:

  • confusion, headache, anxiety, feeling restless;

  • fever, cough, rapid heart rate, feeling short of breath;

  • blue lips or fingernails, weak or shallow breathing;

  • feeling like you might pass out;

  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;

  • skin rash, bruising, severe tingling, numbness, pain, muscle weakness; or

  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects of bioflavonoids / zinc glycinate may include:

  • mild nausea;

  • diarrhea; or

  • gas.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

More about bioflavonoids / zinc glycinate

Consumer resources

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.