What dose of Fish Oil is effective for Resting heart rate?

Fish Oil at 800 mg sits below the studied 1000-3000 mg window. DoseRank scores this product's dose fit at 27 out of 100.

How much does the best Resting heart rate supplement cost?

NOW Foods, Super Omega 3-6-9 Fish Oil, 90 Softgels works out at $0.28 per serving. $0.28 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.07 per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Resting heart rate

Take fish oil for resting heart rate. This is the one to buy.

NOW Foods, Super Omega 3-6-9 Fish Oil, 90 Softgels

4.8· 20,586 ratings· $0.28/serving

DoseRank score59

Fish Oil 800 mg — below the studied 1000-3000 mg window

Of 1,462 products scored for Resting heart rate, NOW Foods, Super Omega 3-6-9 Fish Oil, 90 Softgels ranks #1 with a DoseRank score of 59. Fish Oil is the strongest evidence signal for this outcome.

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Cheaper alternative$0.23 per servingSwanson Vitamins, Multi Omega 3-6-9, 220 Softgels

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Fish Oil — not Grape Seed Extract?”

Fish Oil is the strongest evidence signal for this outcome.

Fish OilThe pick
Strong evidence · 800 mg
Marine oil concentrate rich in EPA and DHA omega-3 fatty acids; the primary supplemental source for cardiovascular, anti-inflammatory, and cognitive support.
Grape Seed Extract
Strong evidence · 400 mg
Polyphenol-rich extract supplying oligomeric proanthocyanidins (OPCs); a potent antioxidant typically taken to support blood vessels and circulation.

Buy the #1 pick

The dose“Is the dose actually effective?”

Fish Oil at 800 mg sits below the studied 1000-3000 mg window.

Fish Oil

Studied window 1000-3000 mg · this pick 800 mg

800 mg

78 mg

126 mg

800 mg

160 mg

225 mg

The ranking“Why should I trust this pick?”

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

1,462 products scored
Never paid placement
Evidence level: Strong · 92
230 brands
8 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.28 a serving?”

$0.28 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.07 per serving.

4
Nutricost, Grape Seed Extract, 240 Capsules (400 mg per Capsule)Score 46 · $0.07/serving
iHerb
6
Micro Ingredients, Grape Seed Extract Resveratrol Red Wine Extract, 240 CapsulesScore 43 · $0.14/serving
iHerb

Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.

Ready?

The #1 pick is $0.28 a serving.

NOW Foods, Super Omega 3-6-9 Fish Oil, 90 Softgels — in stock at a tracked retailer.

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Questions

Frequently asked

NOW Foods, Super Omega 3-6-9 Fish Oil, 90 Softgels ranks #1 for Resting heart rate with a DoseRank score of 59. The score blends clinical strength, evidence, dose fit, trust signals and value across 1,462 products scored for this outcome.

Frequently asked