The short answer · Lipoprotein(a)
Take niacin for lipoprotein(a). This is the one to buy.

Nutricost, Niacin, Unflavored, 8.9 oz (250 g)
4.7· 532 ratings· $0.05/serving
Niacin 1000 mg — inside the studied 1000-3000 mg window
Of 836 products scored for Lipoprotein(a), Nutricost, Niacin, Unflavored, 8.9 oz (250 g) ranks #1 with a DoseRank score of 80. 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 · 1000 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 1000 mg lands inside the studied 1000-3000 mg window.
Niacin
Studied window 1000-3000 mg · this pick 1000 mg
The ranking“Why should I trust this pick?”Trust 68
Mixed trust signals — ratings are positive but the base is limited. 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.
- 836 products scored
- Never paid placement
- Evidence level: Strong · 92
- 170 brands
- 2 ingredients
The price“Can I do better than $0.05 a serving?”Value 66
$0.05 per serving — mid price tier for this outcome. Nothing else in this ranking costs less per serving.
Ready?
The #1 pick is $0.05 a serving.Nutricost, Niacin, Unflavored, 8.9 oz (250 g) — in stock at a tracked retailer.
View on iHerbA saved, shareable breakdown: your matched products, dose math, and interaction flags to discuss with a clinician.
Or take the 60-sec quiz →Questions
Frequently asked
Nutricost, Niacin, Unflavored, 8.9 oz (250 g) ranks #1 for Lipoprotein(a) with a DoseRank score of 80. The score blends clinical strength, evidence, dose fit, trust signals and value across 836 products scored for this outcome.
Keep exploring