Best Krill Oil Supplements 2026: Cost per Effective Dose
Top pick for Krill Oil: NOW Foods Neptune Krill Oil, 500mg — 500mg krill oil per 1 softgel, None stated, $0.27/day.
Registry check · Krill Oil
Does anyone independently verify Krill Oil supplements?
We did not find any of these products in a public registry, and none of the listings names a certification mark. Where a listing names a mark, we say so in the table; where we could not find it in a registry, we say that instead.
The 5 products on this page checked against all 5,317 US NSF, USP and Informed Sport listings, 2026-08-25. Full method and limitations.
What Krill Oil labels show
Priced per day, these krill oil products run $0.27 to $0.60 — a 2.2× gap between the cheapest and dearest krill oil here, across 5 brands.
Which row that favours is not obvious: NOW Foods NOW Foods Neptune Krill Oil, 500mg is cheapest per serving at $0.27, but its serving sits below the median here, so part of that price gap is simply a smaller capsule.
All Krill Oil Supplements Compared
| Product | Brand | Dose / Serving | Cost / Day | Certification (as labelled) | Pick | Buy |
|---|---|---|---|---|---|---|
| NOW Foods Neptune Krill Oil, 500mg | NOW Foods | 500mg krill oil / 1 softgel | $0.27 | None stated | Buy | |
| BulkSupplements.com Krill Oil, 1000mg | BulkSupplements | 1,000mg krill oil / 2 softgels | $0.38 | None stated | Buy | |
| Sports Research Antarctic Krill Oil, 1000mg (Superba2) | Sports Research | 1,000mg krill oil / 1 softgel | $0.52 | None stated | Buy | |
| Schiff MegaRed Krill Oil, High Concentration 750mg | Schiff MegaRed | 750mg krill oil / 1 softgel | $0.55 | None stated | Buy | |
| Kori Krill Oil Omega-3, 600mg | Kori | 1,200mg krill oil / 2 softgels | $0.60 | None stated | Buy |
In-Depth Krill Oil Guides
Go deeper on krill oil — by goal, by form, and what the evidence actually supports:
Our Picks
Lowest Cost: NOW Foods Neptune Krill Oil, 500mg
500mg krill oil per 1 softgel. None stated. $0.27/day. 120 servings per container at $33.13.
The shelf · Krill Oil
The Krill Oil shelf is unusually consistent
Across 5 products from 5 brands, the cheapest day is NOW Foods Neptune Krill Oil, 500mg at $0.27 and the priciest is Kori Krill Oil Omega-3, 600mg at $0.60, a gap of 2.2×. With prices this close, which of these Krill Oil products has been independently checked matters more than the price.
Method: the 5 Krill Oil products above, compared on label facts, serving size, servings per container, form, price. Not a dosing recommendation.
How these 5 Krill Oil products were ranked
Not one of these 5 krill oil products could be confirmed in the NSF, USP or Informed Sport registries, so verification separates none of them and the ranking falls to cost per day at the labelled serving. Commission does not enter it: the rate is the same whichever krill oil you buy. Full methodology.