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Cheapest Ultra Pure Fish Oil on iHerb

Ranked by real cost per 100 mg of Ultra Pure Fish Oil — cheapest value first.

Prices updated Jul 25, 2026 · 5 products · Prices in USD

The priciest option here costs about 2.7× more per 100 mg of Ultra Pure Fish Oil than the best-value pick Vital Nutrients. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 100 mg
1
Vital Nutrients, Ultra Pure, Fish Oil 350, Lemon, 200 Softgels
Vital Nutrients, Ultra Pure, Fish Oil 350, Lemon, 200 Softgels
Vital Nutrients
1,090 mg20044.900.021View on iHerb →
2
Vital Nutrients, Ultra Pure, Fish Oil 800, Lemon, 90 Softgels
Vital Nutrients, Ultra Pure, Fish Oil 800, Lemon, 90 Softgels
Vital Nutrients
1,400 mg9041.990.033View on iHerb →
3
Vital Nutrients, Ultra Pure, Fish Oil 700, Lemon, 120 Softgels
Vital Nutrients, Ultra Pure, Fish Oil 700, Lemon, 120 Softgels
Vital Nutrients
1,200 mg12052.990.037View on iHerb →
4
Vital Nutrients, Ultra Pure® Omega-3, Fish Oil 800, Lemon, 90 Softgels
Vital Nutrients, Ultra Pure® Omega-3, Fish Oil 800, Lemon, 90 Softgels
Vital Nutrients
1,000 mg9047.990.053View on iHerb →
5
Vital Nutrients, Ultra Pure, Fish Oil 700 Enteric, 90 Enteric Coated Softgels
Vital Nutrients, Ultra Pure, Fish Oil 700 Enteric, 90 Enteric Coated Softgels
Vital Nutrients
1,200 mg9058.990.055View on iHerb →

How we rank Ultra Pure Fish Oil

Two supplements can list the same dose per serving yet cost very differently once you account for how many servings are in the bottle. We calculate the total nutrient in each container (dose per serving × servings per container), divide the current price by that total, and rank by the resulting cost per unit. Lower is better. Because prices are refreshed automatically, this ranking reflects today's iHerb pricing rather than a snapshot from months ago.

Cost per unit is a starting point, not the whole story — the ideal form, third-party testing, and other ingredients matter too. Always check the label and consult a healthcare professional before starting a supplement.

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Prices update automatically and may differ from iHerb at checkout. Rankings are based on cost per unit of the listed nutrient and are for informational purposes only — not medical advice. Links to iHerb are affiliate links.