21st Century, Prolonged Release Niacin, 500 mg, 100 Tablets

Name: 21st Century, Prolonged Release Niacin, 500 mg, 100 Tablets
Brand: 21st Century
SKU: CEN-27474
Price: 8.97 USD
Availability: InStock
Rating: 4.6 (1098 reviews)

21st Century, Prolonged Release Niacin, 500 mg, 100 Tablets — product photo 1

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Scored for

Outcome alternatives

21st Century100 count • 100 servingsAvailable now$8.97$0.09 / serving4.6 · 1,098 ratings

19−61 pts from leader

#12 of 813 ranked for lipoprotein(a)Leader · Nutricost, Nutricost, Niacin, Unflavored, 8.9 oz (250 g) — 80

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Why this ranks #12 for lipoprotein(a)

Evidence fitNiacin is the strongest evidence signal for this outcome.
Dose fitNiacin at 500 mg sits below the studied 1000-3000 mg window.
Price / serving$0.09 per serving — high price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustSolid trust signals from buyer ratings, with room to grow.

The numbers · Lipoprotein(a)

500 mgBelow rangebelow the studied 1000-3000 mg window

Retailer links may be affiliate links. Rankings and placement are not paid placement.

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Check fit and safety

DoseRank is not medical advice. Review pregnancy, breastfeeding, medication interactions, allergies, and health-condition concerns with a qualified clinician before using this supplement. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Market trends

Price history · last 10 crawls

$9.44+4% vs avg

Aug 22Oct 5

Rating history

Rating quality and social-proof history · last 10 crawls

4.60 / 5+0% vs avg

Aug 22Oct 5

1,098+2% vs avg

Aug 22Oct 5

By outcome

vs overall leader for each ranked outcome — open any outcome to see its ranked alternatives.

5 outcomes

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Niacin status−3 pts from leader

Product 85Leader 88

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HDL cholesterol−3 pts from leader

Product 80Leader 83

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Triglycerides−65 pts from leader

Product 19Leader 84

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Lipoprotein(a)Scoring−61 pts from leader

Product 19Leader 80

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LDL cholesterol−69 pts from leader

Product 15Leader 84

Showing the top 5 of 5 ranked outcomes.