Supplement guides
Supplement guides, page 2
Plain-English guides on labels, doses, real prices, free trials and refunds. Written to help you check a product, not to sell you one.
Guides on this page
Gymnema sylvestre supplements: what the studies used vs the label
What gymnema trials and meta-analyses found, the doses they used, and how real blood sugar supplement labels compare.
DosesBanaba leaf and corosolic acid: how much is in supplements?
What banaba trials used, how to calculate corosolic acid from a label, and how real supplement labels compare.
EvidenceBitter melon and fenugreek supplements: what the evidence shows
What meta-analyses found for bitter melon and fenugreek, the doses used, NCCIH side effects and how real labels compare.
DosesResveratrol supplement vs red wine: how much is in each?
A glass of red wine has a few mg of resveratrol, trials use 150 to 500 mg. How to read a resveratrol label and what the research found.
EvidenceQuercetin supplements: what studies show and what dose they used
Quercetin trials used about 500 mg a day and found small blood pressure effects. Learn what studies show and how to read a quercetin label.
EvidenceDoes pine bark extract help joints? What Pycnogenol studies show
Pine bark extract has small trials for joints and circulation, but Cochrane found no firm conclusions. See the 150 mg dose and label checks.
DosesHow much boswellia is in joint supplements compared with the studies?
Boswellia on a joint supplement label is rarely the whole story. See what Aflapin and 5-Loxin trials dosed and how four products compare.
EvidenceOral hyaluronic acid for skin and joints: what trials actually show
Oral hyaluronic acid trials used 120 to 200 mg a day. Here is what they tested and how real supplement labels compare.
IngredientsIs MSM worth it in a joint formula? What the label and trials show
MSM trials used 3.4 to 6 grams a day. Joint supplements list 200 to 300 mg or nothing. Here is how the labels compare.
SafetyAre devil's claw and willow bark safe for joint pain?
What trials of devil's claw and willow bark used, the aspirin-style cautions, and how four joint supplements print these herbs on the label.
Guides are general information, not medical advice. Read how we review and our medical disclaimer.