Dr. Berg Highly-Potent Niacin 500 mg – Now Only 125 mg per Capsule for Niacin Flush Tolerance Building – Gradually Increase to 500mg a Day – Vitamin B3 for Heart, Brain & Energy Support – 100 Capsules

SpecPicks Verdict

SpecPicks classifies Dr. Berg Highly-Potent Niacin 500 mg – Now Only 125 mg per Capsule… as a niche pick — read recent reviews before buying in the retro graphics cards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Dr. Berg Nutritionals's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for retro graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

• 𝗚𝗘𝗡𝗧𝗟𝗘𝗥 𝗗𝗢𝗦𝗜𝗡𝗚, 𝗦𝗔𝗠𝗘 𝗣𝗢𝗪𝗘𝗥𝗙𝗨𝗟 𝗙𝗢𝗥𝗠𝗨𝗟𝗔 – Now with 125 mg of niacin per capsule to help build a tolerance for niacin flush. You’re in control—adjust your intake by working up to 4 capsules daily for the full 500 mg dose of this niacin supplement.
• 𝗥𝗘𝗖𝗢𝗠𝗠𝗘𝗡𝗗𝗘𝗗 𝗨𝗦𝗘 – Start with 1 capsule per day and slowly work up to 4 as desired, based on your body’s response to niacin flush. Take with food and a full glass of water to minimize flushing.
• 𝗖𝗔𝗨𝗧𝗜𝗢𝗡 – Vitamin B3 niacin can cause temporary flushing, tingling, or itching.
• 𝗦𝗨𝗣𝗣𝗢𝗥𝗧𝗦 𝗛𝗘𝗔𝗥𝗧, 𝗕𝗥𝗔𝗜𝗡 & 𝗘𝗡𝗘𝗥𝗚𝗬 𝗣𝗥𝗢𝗗𝗨𝗖𝗧𝗜𝗢𝗡 – Niacin B3 contributes to healthy energy production, supports heart and brain function, and promotes normal healthy cholesterol levels as part of a balanced diet.*
• 𝗧𝗥𝗬 𝗙𝗢𝗥 𝟯𝟬 𝗗𝗔𝗬𝗦 – If you are unhappy with our B3 vitamin, reach out to us within 30 days of your purchase date and we will take care of you.

Full Specifications

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Dr. Berg Highly-Potent Niacin 500 mg – Now Only 125 mg per Capsule for Niacin Flush Tolerance Building – Gradually Increase to 500mg a Day – Vitamin B3 for Heart, Brain & Energy Support – 100 Capsules is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

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