Allergy Research Group

Vitamin D3 Complete 5000 High Potency with A and K2 120 Softgels

Softgels

  • K2 Combo · 91% of verified reviews
  • Deficiency Relief · 84% of verified reviews
  • Immune Support · 77% of verified reviews
  • Dosing · 52% of verified reviews
Quality & Trust Score
89 Strong Evidence
★★★★☆ 4.8 (284) 6 sources
See breakdown →
Manufacturing73
Lab Verification68
Review Consensus100
Brand-verified ·Third-party lab testingGMP manufacturing standardsIngredient quality & sourcingClinical evidence backingFDA regulatory complianceDosing consistencyBrand reputation & trustCommunity & practitioner signal
Referenced by  A Midwestern Doctor, Jessicar & Steve Kirsch + 16 more →
$66.99
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Ingredients & product label

Supplement Facts — Serving size: 1 softgel. Servings per container: 120.
Vitamin A (as retinyl palmitate): 900 mcg RAE / 3,000 IU. Vitamin D3 (as cholecalciferol): 125 mcg / 5,000 IU. Vitamin K2 (as menaquinone-7): 100 mcg. Tocotrienols (as DeltaGOLD® tocotrienols): 5 mg.
Other ingredients: vegetarian capsule (modified food starch, carrageenan, sorbitol, glycerin, purified water), safflower oil, tapioca starch. Contains soy.

Label directions

Take 1 softgel daily with a meal, or as directed by a healthcare professional.

Label cautions

Contains soy. If pregnant or lactating, if you have any health condition, or if taking medication, consult your healthcare practitioner before use. Store in a cool, dry place away from light. Keep out of reach of children.

Source: Fullscript exact-SKU catalog label · September 06, 2026. Formulas and labels can change. Check the packaging you receive.

About Allergy Research Group - Vitamin D3 Complete 5000 High Potency with A and K2 120 Softgels

Vitamin D3 Complete 5000 from Allergy Research Group is a high-potency softgel combining 5,000 IU of vitamin D3 with complementary vitamins A and K2, formulated to support calcium metabolism, bone density, and immune function. Designed for adults seeking meaningful D3 supplementation with cofactors that help direct calcium appropriately within the body.

Why It's Worth Considering: Allergy Research Group is a practitioner-trusted brand known for precise formulation; pairing D3 with K2 and vitamin A reflects a clinically informed approach to fat-soluble nutrient balance rather than isolated supplementation.

Compare & Learn
Vitamin D vs D3: Which Form Works

Why Gabriel Recommends This

Quality & Trust Score: 89 Strong Evidence
Quality Verified
Allergy Research Group products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Label details
Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.
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 Quality & Trust 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

Take 1 softgel daily with a meal, or as directed by a healthcare professional.

Real Reviews. Real Sources.

4.8
284 reviews
5 star
88%
4 star
8%
3 star
2%
2 star
1%
1 star
1%
All (284)
10 Clinical Research
iHerb
219 iHerb
Amazon
10 Amazon
19 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
0 TikTok
Instagram
1 Instagram
Substack
5 Substack
284 ratings aggregated across 6 sources · full-text reviews below
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Apotheca's Analysis · 50+ Signals Across 6 Dimensions
Strong positive consensus on D3+K2 pairing and deficiency relief, tempered by debate over optimal dosing and official guidelines.
K2 Combo
91%
Deficiency Relief
84%
Immune Support
77%
Dosing
52%
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Compatibility Guide

Works Well With

Magnesium
Magnesium is required for vitamin D activation
Vitamin K2
K2 directs calcium to bones
Omega-3
Both support immune function

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

Research Behind This

Allergy Research Group Product Quality Assessment
Quality & Trust 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 - Vitamin D3 Complete 5000 High Potency with A and K2 120 Softgels
89
Strong Evidence
Quality & Trust Score
Strong quality signals. Meets recommended thresholds across most pillars.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
73
Lab Verification
68
Review Consensus
100
Practitioner Confidence
47.0
Community & Social
63
Transparency
65
Consumer & Practitioner Intelligence
★★★★☆ 4.8 from 284 reviews across 6 sources
Clinical Research 30Practitioner Data 19Amazon 10iHerb 219Community 6+
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 Quality & Trust Score works