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Omega-3

Klean Omega

60 softgels (SKU KA201900-60), 500 mg EPA and 250 mg DHA per softgel, natural orange flavor

$44.50US price, checked Oct 24, 2026

One-softgel fish oil with 750 mg EPA and DHA that NSF's database lists

Check price at Klean Athlete Full review →

Omega-3

Momentous Omega-3

60 softgels (a 30-day bottle at 2 softgels a day), the only size on Momentous's online store

$39.99US price, checked Oct 23, 2026

Fish oil with 1,600 mg of EPA plus DHA and an NSF Certified for Sport listing

Check price at Momentous Full review →

Criterion	Klean Omega	Momentous Omega-3
US price	$44.50Checked Oct 24, 2026 · Price details in the review	$39.99Checked Oct 23, 2026 · Price details in the review
Three-year ownership estimate	$856.63 Planning total.	$1,499.64 Planning total.
Choose if	You want one softgel a day with 750 mg of EPA and DHA, from a product NSF's Certified for Sport database lists.	You're a drug-tested athlete or careful shopper who wants 1,600 mg of EPA plus DHA from two softgels a day, with an NSF Certified for Sport listing for all lots.
Main trade-off	It costs about $0.74 a day, and returns carry a 15% processing fee plus shipping.	It costs about $487 a year at the one-time price.
Key specifications	EPA and DHA per serving: 500 mg EPA and 250 mg DHA (750 mg together) in 1,250 mg marine triglyceride concentrate, per softgel Servings per container: 60, at 1 softgel a serving, on Klean's label and in NSF's listings Price per serving: About $0.74 at the $44.50 retail price, the same per day at 1 softgel daily Oil source and form: Marine triglyceride concentrate from anchovies and sardines. Total omega-3s per softgel and natural or re-esterified form aren't stated Other ingredients: Fish gelatin (capsule, from tilapia), purified water, natural orange flavor and natural mixed tocopherols. Contains fish Calories and fat per serving: 10 calories and 1.5 g total fat (2% of the Daily Value) Certification: NSF Certified for Sport lists two US entries for 60 softgels at 1 softgel a serving, with 17 and 6 certified lots. A third entry is for Canada Dose vs. trial doses: 750 mg EPA and DHA at 1 softgel a day. The VITAL trial gave 1 g a day of omega-3s, a capsule with 460 mg EPA and 380 mg DHA Warning: Klean's label says to consult your health professional before use if you're pregnant, nursing, have any health condition or take any medication Where to buy: Klean's page lists a retail price but asks for a login to add to cart. Its shop address forwarded to a Klean Athlete storefront on Amazon on Oct 24, 2026	EPA and DHA per serving: 800 mg EPA and 800 mg DHA per 2 softgels (1,600 mg combined, 1:1), out of 1,700 mg omega-3 fatty acids from fish oil Servings per bottle: 30 (60 softgels at 2 per serving) Form and source: Natural triglyceride form, molecularly distilled, from anchovy, sardine and mackerel sourced from Norway, per Momentous. The softgel is bovine gelatin. Certification: NSF Certified for Sport, with two "Momentous Omega-3" listings (fish oil/omega softgel, 2-softgel serving, 60-count package, United States, lot # "All"). Momentous also claims IFOS certification, which isn't confirmed here. Calories and fat per serving: 20 calories, 2 g total fat Directions: 2 softgels a day with food, at any time of day, per Momentous. Its FAQ says an empty stomach works, but a meal with fat is better Cost per day: About $1.33 at the $39.99 one-time price and 2 softgels a day (about $0.83 per gram of combined EPA and DHA)
Exact variant	60 softgels (SKU KA201900-60), 500 mg EPA and 250 mg DHA per softgel, natural orange flavor	60 softgels (a 30-day bottle at 2 softgels a day), the only size on Momentous's online store
Dimensions	Not stated by the manufacturer. Klean's page gives 60 softgels per container, but no bottle size, net weight or softgel size. NSF's listings give a package size of 60 and a serving size of 1 softgel.	Not stated by the manufacturer. The bottle holds 60 softgels. Momentous's online store gives a weight of 9.2 oz (261 g) but doesn't say whether that includes packaging. Softgel size isn't stated either.
Installation	No installation. Klean's label says adults take 1 softgel daily with a meal, or as a trainer, coach or health professional directs. The label says to use it only if the safety seal is intact and to store it in a cool, dry place.	No installation. Momentous says to take 2 softgels a day with food, at any time of day. Its FAQ says an empty stomach works, but a meal that contains fat is better "for better absorption and optimal bioavailability."
Materials	Each softgel holds 1,250 mg of marine triglyceride concentrate, providing 500 mg of EPA and 250 mg of DHA. Klean's page calls it fish oil in triglyceride form but doesn't say whether that's natural or re-esterified triglyceride. The label says the oil is from anchovies and sardines. The other ingredients are fish gelatin (the capsule, from tilapia), purified water, natural orange flavor and natural mixed tocopherols. The label lists 10 calories and 1.5 g of fat per softgel. Klean's page shows gluten free and GMO free icons. Klean doesn't say where the fish are caught.	The Supplement Facts label lists omega-3 fatty acids from fish oil. The other ingredients are a bovine gelatin capsule, glycerine, purified water, natural lemon flavor, annatto for color and lipase. It contains fish (one or more of anchovy, sardine, mackerel) and is labeled gluten free and GMO free. The product page says the fish are sustainably harvested anchovies, sardines and mackerel from Norwegian waters. It also says the oil is molecularly distilled and in natural triglyceride form. Bottle material isn't stated.
Warranty	Klean gives no warranty term, per its return policy. The policy says Klean guarantees quality, purity and potency through the expiration date.	Not stated by the manufacturer. The product page shows a "30 day money back guarantee" with no terms, and the refund policy mentions none.
Returns	30 days from receipt, with preauthorization and a 15% processing fee plus shipping. Klean's return policy says claims of shortage or damage must be made within 7 days of receiving the package. Authorized returns must reach Klean within 14 days of authorization. Returns are credited on receipt, less the 15% fee and the cost of shipping. The policy doesn't say whether an opened bottle qualifies.	The store's refund policy says Momentous generally doesn't accept returns of delivered products, except where applicable law requires it. Original and return shipping costs aren't refundable either, with the same exception. The policy asks you to contact Momentous if there's a problem and gives no return window or refund timing. Products bought from a retailer go back to that retailer.
Unresolved questions	Which NSF entry a given bottle's lot number sits in, and the certification date, which neither entry shows Whether the page's retail price applies to every buyer, since it asks you to log in Whether an opened bottle qualifies for return Total omega-3s per softgel, since the label lists only EPA and DHA within a 1,250 mg concentrate Whether the triglyceride form is natural or re-esterified Where the fish are caught, and whether any sustainability certification applies Klean's bottle size and net weight	Whether IFOS's own listings confirm the IFOS certification Momentous claims Oxidation (freshness) and heavy-metal test results for a given lot NSF lists two Momentous Omega-3 entries and doesn't say which matches the current label Bottle dimensions and softgel size Price and contents of the "5 Day Travel Pack" pictured on the product page, which Momentous's online store doesn't list as an option

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.