The short answer · HDL cholesterol
Take niacin for hdl cholesterol. This is the one to buy.

Life Extension, Vitamin B3 Niacin, 500 mg, 100 Capsules
4.6· 8,873 ratings· $0.06/serving
Niacin 500 mg — inside the studied 500-3000 mg window
Of 1,256 products scored for HDL cholesterol, Life Extension, Vitamin B3 Niacin, 500 mg, 100 Capsules ranks #1 with a DoseRank score of 83. Niacin is the strongest evidence signal for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Niacin — not Nicotinic Acid?”Evidence Strong evidence
Niacin is the strongest evidence signal for this outcome.
- NiacinThe pick
Strong evidence · 500 mg
Vitamin B3 as nicotinic acid; a NAD+ precursor that can raise HDL but causes a prostaglandin-mediated skin flush at higher doses.
- Nicotinic Acid
Strong evidence · 500 mg
The free-acid form of niacin (vitamin B3); raises HDL and lowers triglycerides at gram-level doses, but causes pronounced skin flushing that limits compliance.
The dose“Is the dose actually effective?”Dose fit 67
Niacin at 500 mg lands inside the studied 500-3000 mg window.
Niacin
Studied window 500-3000 mg · this pick 500 mg
The ranking“Why should I trust this pick?”Trust 90
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.
- 1,256 products scored
- Never paid placement
- Evidence level: Strong · 92
- 220 brands
- 11 ingredients
The price“Can I do better than $0.06 a serving?”Value 55
$0.06 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.05 per serving.
- 2Nutricost, Niacin, Unflavored, 8.9 oz (250 g)Score 81 · $0.05/servingiHerb
- 1021st Century, Niacin, Prolonged Release, 110 TabletsScore 19 · $0.05/servingiHerb
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 $0.06 a serving.Life Extension, Vitamin B3 Niacin, 500 mg, 100 Capsules — in stock at a tracked retailer.
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Life Extension, Vitamin B3 Niacin, 500 mg, 100 Capsules ranks #1 for HDL cholesterol with a DoseRank score of 83. The score blends clinical strength, evidence, dose fit, trust signals and value across 1,256 products scored for this outcome.
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