LongevityBeginners

Supplements A–Z

Search by name, or filter by evidence strength. The meter shows how good the research is, not whether something is right for you.

41 guides

A

  • Alpha-Ketoglutarate Benefits Grade E · Very early Alpha-Ketoglutarate benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English e…
  • Apigenin Benefits Grade E · Very early Apigenin benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.
  • Astaxanthin Grade D · Early Astaxanthin explained: what reviews of human trials show for skin, doses studied, safety findings and what the evidence does no…

B

  • Beetroot Benefits Grade C · Mixed Beetroot benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.
  • Berberine Benefits Grade C · Mixed Berberine benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence gr…
  • Boswellia Benefits Grade C · Mixed Boswellia benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence gr…

C

  • Collagen for Beginners Grade C · Mixed Collagen for beginners: what reviews show for skin, knee joints and muscle, why study funding matters, how people take it and w…
  • CoQ10 Benefits Grade C · Mixed CoQ10 benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.
  • Creatine for Beginners Grade B · Good Creatine for beginners: what research shows for muscle, strength and memory in older adults, typical study doses, side effects…
  • Curcumin vs Turmeric Grade C · Mixed Curcumin vs turmeric: why curcumin is poorly absorbed, how formulations differ, what reviews of trials show, and the rare liver…

E

  • Epimedium Benefits Grade D · Early Epimedium benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence gr…
  • Ergothioneine Grade D · Early Ergothioneine explained: what it is, which foods contain it, doses used in human trials, safety notes and what the evidence doe…

F

  • Fisetin Benefits Grade E · Very early Fisetin benefits: strong results in mice, thin human evidence. What small trials show, amounts used, safety unknowns and who sh…
  • Fucoidan Benefits Grade D · Early Fucoidan benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.

G

  • Glycine Benefits Grade D · Early Glycine benefits: what small trials show for sleep and the GlyNAC combination, amounts used, side effects and who should check…
  • GlyNAC Grade D · Early GlyNAC is glycine plus NAC. What small trials show, the doses studied, a larger trial that missed its main goal, and safety not…

H

  • Hyaluronic Acid Benefits Grade D · Early Hyaluronic Acid benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evide…

I

  • Inulin Benefits Grade C · Mixed Inulin benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.
  • Is Omega-3 Worth Taking? The Evidence Grade C · Mixed Is omega-3 worth taking? What large trials show for triglycerides, heart health, mood and memory, typical doses, side effects a…

L

  • L-Theanine Benefits Grade D · Early L-Theanine benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence g…
  • L-Tryptophan Benefits Grade C · Mixed L-Tryptophan benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence…

M

  • Magnesium Supplements Grade B · Good Magnesium supplements for beginners: what research shows for blood pressure, blood sugar, sleep and cramps, typical amounts and…
  • MSM Benefits Grade D · Early MSM benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.

N

  • NAC Benefits Grade C · Mixed NAC benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence grade.

P

  • PQQ Supplement Grade D · Early PQQ (pyrroloquinoline quinone) explained: what small human trials show, doses studied, how it relates to CoQ10, and safety note…
  • Probiotics for Beginners Grade B · Good Probiotics for beginners: what human trials show, amounts studied, side effects and who should check first. Plain-English evide…
  • Pterostilbene Grade D · Early Pterostilbene is a resveratrol relative. What human trials show, doses studied, how it compares with resveratrol, and safety no…

Q

  • Quercetin Benefits Grade C · Mixed Quercetin benefits: small blood-pressure drops in trials, poor absorption, amounts used, senolytic research caveats and who sho…

R

  • Resveratrol Benefits Grade C · Mixed Resveratrol benefits for beginners: strong animal results but mixed human trials on blood sugar and heart markers, doses used a…

S

  • Spermidine Benefits Grade D · Early Spermidine benefits: strong lab and animal results, thin human evidence. What trials found for memory, and the amounts used.
  • Sulforaphane Benefits Grade D · Early Sulforaphane benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence…

T

  • Tart Cherry Benefits Grade C · Mixed Tart Cherry benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence…
  • Taurine Supplement Grade D · Early Taurine and aging: a 2023 Science paper linked low taurine to aging in animals, but human data are mixed. Doses studied, safety…
  • TMG Benefits Grade C · Mixed TMG benefits: reliable effect on homocysteine, a cholesterol catch, amounts used, what trials show for strength and who should…

U

  • Urolithin A Benefits Grade D · Early Urolithin A benefits: what small trials show for muscle endurance and mitochondrial markers, who funded them and the amounts used.

V

  • Vitamin B12 Benefits Grade C · Mixed Vitamin B12 benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence…
  • Vitamin C Benefits Grade C · Mixed Vitamin C benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence gr…
  • Vitamin D Benefits Grade C · Mixed Vitamin D benefits for beginners: what large trials show for bones, falls and colds, typical doses in mcg and IU, and who shoul…
  • Vitamin K2 Benefits Grade C · Mixed Vitamin K2 benefits: what human trials show, amounts studied, side effects and who should check first. Plain-English evidence g…

W