Supplement Ratings

iHerb picks

Best Immune Support on iHerb

Skip hours of label reading. Every pick below is sold on iHerb and passed our label check with 60+ points, so whatever you choose is worth taking, and you see today's price before you click.

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Top ratedBest value

Highest score first

289HerbalFactors Olive Leaf 20:178/100Natural FactorsHerbalFactors Olive Leaf 20:1capsule · 30 servings · $0.34/servingBuy on iHerb · $10.06
290Allerfin78/100Quality Of Life LabsAllerfincapsule · 30 servings · $1.05/servingBuy on iHerb · $31.46
291Astragalus Root Extract78/100Vital NutrientsAstragalus Root Extractcapsule · 90 servings · $0.32/servingBuy on iHerb · $28.99
292Standardized Olive Leaf78/100Nature's WayStandardized Olive Leafcapsule · 30 servings · $0.44/servingBuy on iHerb · $13.19
293Propolplus78/100Nature's PlusPropolplussoftgel · 30 servings · $0.65/servingBuy on iHerb · $19.59
294Olive Leaf 500 mg78/100Natural Factors HerbalFactorsOlive Leaf 500 mgcapsule · 30 servings · $0.34/servingBuy on iHerb · $10.06
295Standardized Astragalus78/100Nature's WayStandardized Astragaluscapsule · 30 servings · $0.52/servingBuy on iHerb · $15.63
296Standardized Cat's Claw78/100Nature's WayStandardized Cat's Clawcapsule · 30 servings · $0.52/servingBuy on iHerb · $15.63
297Cat's Claw Inner Bark77/100Nature's AnswerCat's Claw Inner Barkcapsule · 30 servings · $0.35/servingBuy on iHerb · $10.49
298Andrographis Extract 400 mg77/100NOWAndrographis Extract 400 mgcapsule · 30 servings · $0.40/servingBuy on iHerb · $11.97
299Olive Leaf Extract 500 mg77/100NOWOlive Leaf Extract 500 mgcapsule · 30 servings · $0.38/servingBuy on iHerb · $11.30
300Beta - 1,3/1,6-D-Glucan 100 mg77/100NOWBeta - 1,3/1,6-D-Glucan 100 mgcapsule · 30 servings · $0.41/servingBuy on iHerb · $12.23
301Xtra Strength Beta-Glucans with ImmunEnhancer 250 mg of Beta-Glucans77/100NOWXtra Strength Beta-Glucans with ImmunEnhancer 250 mg of Beta-Glucanscapsule · 30 servings · $0.51/servingBuy on iHerb · $15.30
302Immune Renew77/100NOWImmune Renewcapsule · 30 servings · $0.45/servingBuy on iHerb · $13.46
303Astragalus Root Extract77/100Nature's AnswerAstragalus Root Extractcapsule · 30 servings · $0.51/servingBuy on iHerb · $15.44
304Echinacea Herb & Root & Goldenseal Root77/100Nature's AnswerEchinacea Herb & Root & Goldenseal Rootcapsule · 45 servings · $0.51/servingBuy on iHerb · $23.09
305Elderberry77/100Swanson Premium BrandElderberrycapsule · 30 servings · $0.41/servingBuy on iHerb · $12.42
306Olive Leaf Extract Super Strength 750 mg77/100Swanson Superior HerbsOlive Leaf Extract Super Strength 750 mgcapsule · 30 servings · $0.52/servingBuy on iHerb · $15.49
307Astragalus Standardized77/100Nature's WayAstragalus Standardizedcapsule · 60 servings · $0.26/servingBuy on iHerb · $15.63
308Echinacea with Goldenseal Root77/100SwansonEchinacea with Goldenseal Rootcapsule · 30 servings · $0.77/servingBuy on iHerb · $22.98
309High Ig Colostrum (40% Immunoglobulins)77/100Swanson UltraHigh Ig Colostrum (40% Immunoglobulins)capsule · 60 servings · $0.62/servingBuy on iHerb · $37.09
310Royal Jelly Propolis Complex77/100Swanson UltraRoyal Jelly Propolis Complexcapsule · 30 servings · $0.50/servingBuy on iHerb · $14.89
311Thymus77/100NutriCologyThymuscapsule · 37 servings · $1.18/servingBuy on iHerb · $43.69
312Fucoidan Extract 500 mg77/100SwansonFucoidan Extract 500 mgcapsule · 30 servings · $0.95/servingBuy on iHerb · $28.49

Scores rate what's on the label (dosage transparency, cleanliness, ingredient profile), not clinical results. Prices come from the iHerb catalog feed and can change at checkout. See the full Best Immune Support ranking.