
Sports Research
Triple Strength Omega-3 Fish Oil
950 mg EPA+DHA in a single IFOS-certified softgel from wild Alaska pollock, at roughly a third of a dollar per day; the value benchmark for fish oil.
Top picks
Ranked by our five-factor score — evidence, purity, value, experience and transparency.

Sports Research
950 mg EPA+DHA in a single IFOS-certified softgel from wild Alaska pollock, at roughly a third of a dollar per day; the value benchmark for fish oil.

Nature Made
A USP Verified 2,000 IU vitamin D3 softgel in soybean oil for about 6 cents a day, the no-frills benchmark for daily vitamin D.

One lemon-flavored teaspoon delivers 1,300 mg EPA+DHA from Norwegian-processed fish oil, IFOS certified; the high-dose pick for people who hate capsules.
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Sports Research
950 mg EPA+DHA in a single IFOS-certified softgel from wild Alaska pollock, at roughly a third of a dollar per day; the value benchmark for fish oil.

Nature Made
A USP Verified 2,000 IU vitamin D3 softgel in soybean oil for about 6 cents a day, the no-frills benchmark for daily vitamin D.

One lemon-flavored teaspoon delivers 1,300 mg EPA+DHA from Norwegian-processed fish oil, IFOS certified; the high-dose pick for people who hate capsules.

Nature Made
A USP Verified, iron-free men's multi dosed near 100% DV for about 11 cents a day; basic nutrient forms and gelatin are the trade-offs.

Nature's Bounty
A best-selling 1,000 mcg cyanocobalamin tablet at about 5 cents a day; small and easy to swallow, with no third-party seal.

Nordic Naturals
1,100 mg EPA+DHA per two lemon-flavored softgels in triglyceride form, with lot-level purity testing; excellent tolerability, but pricier than IFOS-certified rivals.

Classic psyllium fiber with some of the strongest evidence in the aisle for regularity and LDL cholesterol, at about 19 cents a teaspoon. Contains aspartame and dye.

Thorne
Two-capsule, iron-free multi with active B vitamins and chelated minerals, NSF certified; trade-offs are a strong smell and B-vitamin doses far above the DV.

Huel
A complete vegan meal powder with 40 g protein, 11 g fiber and 27 vitamins and minerals per 400-calorie serving; fully disclosed, but the taste is divisive.

NOW Foods
1,000 mg of vitamin C with rose hips in a sustained-release tablet for about 6 cents a day; far more than most people need, but cheap and cleanly made.

Centrum
The drugstore benchmark: one tablet with 24 nutrients near 100% DV, including iron, iodine and folic acid, for about six cents a day. No third-party seal.

Nordic Naturals
A plant-based omega-3 from microalgae with 195 mg EPA and 390 mg DHA per two softgels; a clean fish-free option, but you pay more per gram than for fish oil.

Naked Nutrition
A one-ingredient grass-fed whey concentrate: 25 g protein per 30 g serving with no sweeteners or additives; plain-tasting and best blended.

Nature Made
A USP Verified, very low-cost drugstore fish oil; two large softgels supply only 600 mg EPA+DHA, and the label does not split EPA from DHA.

Premier Protein
Amazon's best-selling protein shake: 30 g of milk protein for 160 calories at about $2 a shake, but too light to replace a full meal on its own.

Ritual
A nine-nutrient women's multi with vegan D3, methylfolate and 330 mg algal DHA; top-tier transparency, but no iodine or zinc and a premium price.

Coconut-water-based mix with 240 mg sodium, 310 mg potassium and no added sugar, plus published batch test results. Clean and tasty, but pricey per serving.

A budget USDA Organic vegan blend with 21 g protein and 7 g fiber per serving; a 2026 heavy-metals lawsuit against Costco is a key caveat.

A 24-strain probiotic plus pomegranate prebiotic backed by its own 350-person trial on bloating and gas. Strong science, premium price.

NSF Certified for Sport greens drink with a full multivitamin and 10 billion viable cells of five named probiotics, but over $3 a scoop with two proprietary blends.

OLLY
A best-selling berry gummy with 800 IU D3, folate and iodine, NSF certified; a partial multi with no iron, little zinc and 2 g added sugar.

Ka'Chava
A tasty plant-based shake with 25 g protein, 6 g fiber and 26 vitamins and minerals, but at about $4.66 a serving its long superfood list is mostly undosed.

Zero-sugar, stevia-sweetened mix with potassium and magnesium but only 55 mg sodium. Great for flavoring daily water, far too light for heavy sweating or illness.

Orgain
A USDA Organic, grass-fed dairy shake with 250 calories, 16 g of protein and 20 vitamins and minerals; closer to a light meal than most shakes, but low in fiber.

What's in greens powders, what the limited research shows, why blends and contaminant testing matter, how the cost compares with frozen vegetables, and who might benefit.
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From the 0.8 g/kg RDA to the new 1.2–1.6 g/kg guideline: daily protein targets by goal, grams by body weight, per-meal timing, and advice for aging, dieting and vegans.
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Serving sizes, %DV vs. upper limits, ingredient forms, proprietary blends and claims: a step-by-step method for reading any Supplement Facts panel with confidence.
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