The 25 supplements people most often use for immune support. Supplements aren't FDA recall-rated like drugs and the evidence varies, so we list them as options — not a fabricated ranking — and tell you what to look for. Not medical advice.
An adaptogenic root traditionally used for immune and energy support.
Benefits, dosage & safety →Oil from black cumin seeds, traditionally used for immune and inflammatory support.
Benefits, dosage & safety →A medicinal mushroom traditionally used for immune and antioxidant support.
Benefits, dosage & safety →With supplements, quality varies more by brand than by ingredient. Favor brands with independent third-party testing and certification — NSF, NSF Certified for Sport, USP Verified, Informed Sport — over unverified labels.
This page is general reference and not medical advice. Supplement evidence varies and is often limited; statements here have not been evaluated by the FDA. Consult a licensed healthcare professional before starting any supplement.
A traditional source of omega-3s plus vitamins A and D.
Early-milk antibodies taken for immune and gut support.
Benefits, dosage & safety →A medicinal mushroom traditionally used for energy and stamina.
Benefits, dosage & safety →An herb popularly taken at the first sign of a cold for immune support.
Benefits, dosage & safety →Berry extract popular for immune and seasonal support.
Benefits, dosage & safety →Concentrated garlic (allicin) taken for heart and immune support.
Benefits, dosage & safety →An adaptogenic root traditionally used for energy and vitality.
Benefits, dosage & safety →An adaptogenic herb (tulsi) traditionally used for stress and immune support.
Benefits, dosage & safety →An essential amino acid popularly taken for cold sores and immune support.
Benefits, dosage & safety →An extract rich in oleuropein, taken for immune and cardiovascular support.
Benefits, dosage & safety →A concentrated herbal oil taken for immune and gut support.
Benefits, dosage & safety →Live beneficial bacteria supporting digestive and immune health.
Benefits, dosage & safety →A bee-made resin taken for immune and throat support.
Benefits, dosage & safety →A plant flavonoid taken for allergy and immune support.
Benefits, dosage & safety →A medicinal mushroom traditionally used for immune support and calm.
Benefits, dosage & safety →A mineral-rich seaweed, popular as a whole-food source of iodine and trace minerals.
Benefits, dosage & safety →An essential trace mineral important for thyroid function and antioxidant defense.
Benefits, dosage & safety →A medicinal mushroom studied for immune and gut support.
Benefits, dosage & safety →A fat-soluble vitamin essential for vision, immunity, and skin.
Benefits, dosage & safety →Ascorbic acid injection, USP for intravenous use is a colorless to pale yellow, preservative-free, hypertonic, sterile, non-pyrogenic solution of ascorbic acid.
Benefits, dosage & safety →Vitamin D3 (cholecalciferol) supports bone health, immune function, and mood.
Benefits, dosage & safety →