Best for immunity

36 options people report for getting sick less, infections, ranked by the share of users who say it improved — weighted by how many reports there are.

Weight loss Appetite Focus Energy Sleep Anxiety Mood Memory Performance Recovery Pain & inflammation Digestion Libido Hormones Blood sugar Heart & lipids Skin & hair Immunity Longevity

Type:All Supplements Peptides Medications Lifestyle MethodsResearch-backed only

7 results

143

Cold ShowersLifestyle

Mood Energy Immunity

100% report better Immunity

6 reports

Mostly positiveResearch pending

240

FastingLifestyle

Focus Energy Hormones

100% report better Immunity

4 reports

Mostly positiveResearch pending

363

Intermittent FastingLifestyle

Energy Focus Weight loss

80% report better Immunity

5 reports

Mostly positiveResearch pending

445

SaunaLifestyle

Sleep Mood Recovery

100% report better Immunity

3 reports

Mostly positiveResearch pending

557

ExerciseLifestyle

Mood Energy Anxiety

100% report better Immunity

2 reports

Mostly positiveResearch pending

649

Keto DietLifestyle

Mood Energy Focus

100% report better Immunity

2 reports

Mostly positiveResearch pending

740

Carnivore DietLifestyle

Mood Energy Skin & hair

100% report better Immunity

2 reports

Mostly positiveResearch pending

Minimum 2 reports per entry. Information only — not medical advice. How rankings work

Best supplements for immunity (2026) — ranked by user results — PlainPill