Supplement & Nutrient Encyclopedia
Supplements for immune function: what the human evidence shows
8 supplements in our encyclopedia have at least one graded human outcome for immune function. Each row shows the strongest one, ranked by grade and then by the number of people studied. A high grade means the research is solid, not that the effect is large: open the row for the size of the effect and the dose tested.
Strongest evidence per supplement
Articles
- Cordyceps Benefits: The Endurance Claim Failed Its Best Test
- Does Tongkat Ali Work? Small, Short Trials and Mixed Results
- Does Vitamin D Protect Your Bones? The 25,871-Person Trial That Surprised Everyone
- How Much Vitamin A Is Too Much? The Label Detail That Decides It
- Is Cordyceps Safe? Short Trials Found No Problems, but Products Vary by Species
- Is NAC Safe to Take Daily? What Long Trials and FDA's 2022 Policy Say
- Liposomal, Buffered or Ester-C: Is Fancy Vitamin C Worth Paying More For?
- NAC and Glutathione: What GlyNAC Trials Actually Measured
Related
Other goals: Sleep · Focus · Energy · Stress · Healthy aging · Heart · Bones & joints · Performance · Metabolic