Supplements studied for supporting immune system function.
83 supplements have studies linked to this goal. Vitamin A scores highest (7/10), followed by Vitamin D (7/10) and Vitamin D3 (7/10). 12 of them reach moderate or strong support — the rest are thinly studied or showed little effect.
Supplements rated for Immune Support
How to read these scores
The 0–10 score reflects how well the evidence supports a supplement for this specific goal, independent of how much it has been studied overall. It is an editorial rating checked against meta-analyses — how we set it.