Allergy Research Group

Niacin (Vit B3)

90 Capsules

  • Adults seeking niacin to support healthy cholesterol metabolism
  • Individuals using B3 to help maintain cardiovascular circulation
  • Practitioners protocols requiring foundational niacin for NAD+ cofactor support
Gabriel Score
85 Strong Evidence
★★★★☆ 4.6 (2.1K) 2 sources
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Brand-verified ·Third-party lab testingGMP manufacturing standardsIngredient quality & sourcingClinical evidence backingFDA regulatory complianceDosing consistencyBrand reputation & trustCommunity & practitioner signal
$17.99 $0.19 per serving

90 capsules capsules · 90 servings · 1 month supply

30-day money-back guarantee · no restocking fees · secure checkout
In stock · Free shipping on orders over $99

About Allergy Research Group - Niacin (Vit B3)

Allergy Research Group's Niacin delivers vitamin B3 in its classic nicotinic acid form — a well-studied compound that supports healthy cardiovascular function, energy metabolism, and NAD+ production. Formulated for practitioners and health-conscious individuals who specifically seek the flush-form of niacin rather than a modified-release alternative.

Why It's Worth Considering: Allergy Research Group applies hypoallergenic manufacturing standards with minimal excipients, making this a clean option for those with sensitivities who still want straightforward nicotinic acid at a reliable dose across 90 capsules.

Why Gabriel Recommends This

Gabriel Score: 85 Strong Evidence
Quality Verified
Allergy Research Group products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Clinical Dose Verified
Third-party testing confirms active ingredient levels match label claims at 100% of stated potency. Exceeds industry average of 78%.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Allergy Research Group maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.
Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Gabriel Score works →
Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Dosage
As directed
Follow label instructions
Best Time
See label
With or without food
Consistency
Daily use
For optimal results
Questions?
Ask Gabriel
AI-powered guidance

Who Benefits

Best For

  • Adults seeking niacin to support healthy cholesterol metabolism
  • Individuals using B3 to help maintain cardiovascular circulation
  • Practitioners protocols requiring foundational niacin for NAD+ cofactor support
  • Those supporting skin barrier integrity with targeted vitamin B3 supplementation

Cautions

  • High-dose niacin with liver conditions (monitor liver enzymes)
  • B6 above 100mg/day long-term (risk of peripheral neuropathy)
  • Active cancer treatment (some B vitamins may interfere — consult oncologist)

What to Expect

1
Day 1–7
Energy Boost
Noticeable improvement in energy levels
2
Week 2–4
Mood & Stress
Reduced stress perception, better coping
3
Month 1–2
Neurological
Improved cognitive clarity and focus
4
Month 2–3
Homocysteine
Measurable homocysteine reduction (cardiovascular marker)
Based on B-complex supplementation research. Water-soluble — yellow urine color is normal and harmless.

Compare B-Vitamin Forms

Methylated vs Standard vs Synthetic
FeatureMethylated (active)StandardSynthetic (cheap)
B12 FormMethylcobalaminHydroxocobalaminCyanocobalamin
Folate Form5-MTHF (methylfolate)Folinic acidFolic acid (synthetic)
B6 FormP-5-P (pyridoxal-5-phosphate)PyridoxalPyridoxine HCl
Best ForMTHFR variants, optimal absorptionGeneral useBudget (requires conversion)
MTHFR SafeYes — bypasses mutationMostly yesNo — cannot be converted by 40% of population

Frequently Taken Together

Energy Stack
Magnesium
B vitamins and magnesium are both required for ATP energy production. Together they address the two most common nutritional deficiencies affecting energy.
Pure Encapsulations - Magnesium (Glycinate)
$46.99
B12 + Iron
Iron
B12 and iron are both required for red blood cell production. Deficiency in either causes anemia. B12 also requires adequate iron for proper utilization.
Thorne - Advanced Iron Complex (formerly Ferrasorb)
$26.99
Absorption Synergy
Vitamin C
Vitamin C enhances iron absorption, which works synergistically with B12 for red blood cell production and energy.
Nordic Naturals - Vitamin C Gummies
$14.99
Stress Resilience
Ashwagandha
B-complex supports the biochemical stress response while ashwagandha modulates cortisol. The ultimate stress-adaptation stack.
Thorne - Ashwagandha
$22.99

Frequently Asked Questions

  • Methylated B vitamins are in their active, bioavailable form — your body can use them immediately without conversion. About 40% of the population has MTHFR gene variants that impair conversion of synthetic folic acid to active folate. Methylated forms (methylcobalamin, methylfolate, P-5-P) bypass this issue entirely.

  • This is completely normal and harmless. Riboflavin (B2) is a bright yellow fluorescent compound. When you take more than your body needs, the excess is excreted in urine, causing the distinctive color. It's actually a sign your body absorbed the B vitamins and is eliminating what it doesn't need.

  • B vitamins support energy production, so morning dosing is generally recommended. Some people find evening B-complex disrupts sleep due to increased energy. However, B6 and B12 are involved in melatonin production, so individual responses vary. If evening dosing doesn't affect your sleep, it's fine.

  • Signs of B12 deficiency: fatigue, brain fog, tingling/numbness in extremities, balance issues, mood changes, and pale skin. At-risk groups: vegetarians/vegans (B12 is only in animal foods), adults over 50 (reduced absorption), and those taking metformin or PPIs (which deplete B12). A serum B12 test plus methylmalonic acid (more sensitive) can confirm.

  • Yes — B vitamins are water-soluble, meaning excess is excreted daily. No accumulation risk at standard supplement doses. The exception is B6 (pyridoxine): chronic doses above 100mg/day can cause peripheral neuropathy (nerve damage). The P-5-P form is safer at higher doses than pyridoxine HCl.

Real Reviews. Real Sources.

4.6
2072 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (2072)
0 Clinical Research
iHerb
100 iHerb
Amazon
1972 Amazon
0 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
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Apotheca's Analysis — 50+ Signals Across 6 Dimensions
Niacin (Vit B3) was scored across 50+ quality signals spanning manufacturing standards, lab verification, review consensus, practitioner confidence, community sentiment, and transparency. The Gabriel Score of 85 reflects data aggregated from 2 independent sources and 2072 total reviews. No brand can pay to influence this score.
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Compatibility Guide

Works Well With

Ask Gabriel for personalized stacking recommendations.

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

Research Behind This

Allergy Research Group Product Quality Assessment
Gabriel Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Allergy Research Group products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Allergy Research Group is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement
Those who prioritize quality and transparency in supplements
People following a health protocol designed by their practitioner
Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement
Check for interactions with current medications
If pregnant or nursing, seek professional guidance first
Compare options using Apotheca's AI to find the best fit for your goals
Allergy Research Group is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Allergy Research Group is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.
Gabriel VerifiedQuality Analyzed

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Allergy Research Group
Allergy Research Group - Niacin (Vit B3)
85
Strong Evidence
Gabriel Score
Strong quality signals. Meets recommended thresholds across most pillars.
Last updated: June 04, 2026
Score Breakdown
Manufacturing & GMP
73
Lab Verification
65
Review Consensus
100
Practitioner Confidence
52.0
Community & Social
63
Transparency
57
Consumer & Practitioner Intelligence
★★★★☆ 4.6 from 2072 reviews across 2 sources
Amazon 1972iHerb 100
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Gabriel Score works