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Advanced Absorption Mega B-Complex

product on market Softgel Capsule Irwin Naturals Safety: 97/100
97/100

This product looks safe

  • Folate: 467mg is 467.0× the Tolerable Upper Intake Level (1.0mg)
  • 62% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins such as thiamine, riboflavin, and niacin, which are essential for cellular energy production and metabolic function. There is strong evidence supporting the role of these nutrients in maintaining neurological health. However, the overall evidence coverage for this specific product profile is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Folate: 467mg is 467.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Advanced Absorption Mega B-Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Liquid Softgel(s)
Serving Size
60
Servings
Other Combinations
Product Type
62%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Protein
1 Gram(s)
15 mg (1250% DV)
12.5× RDA — above typical dose 76 studies (A:0, B:33)
30 mg (2308% DV)
23.1× RDA — above typical dose 13 studies (A:0, B:1)
30 mg (188% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
30 mg (1765% DV)
23.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
467 mcg DFE (117% DV)
Exceeds UL by 467.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
1000 mcg (41667% DV)
416.7× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (200% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Medium Chain Triglyceride Oil
455 mg
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
BioPerine Complex
6 mg

Other Ingredients

Gelatin Mannitol Water, Purified Glycerin Dicalcium Phosphate Caramel color Beeswax Soy Lecithin Titanium Dioxide Silicon Dioxide Maltodextrin
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Full Disclosure Ingredient Panel DIRECTIONS: (Adult) Take One (1) Liquid Soft-Gel Daily.

Warnings & Precautions

Contains: Soy, Tree Nuts (coconut, palm kernel)

Usage Warnings: Do not use if safety seal is broken.

Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.

Not intended for use by persons under 18. Keep out of reach of children.

Formulation Notes

1,000 mcg B12 Methylcobalamin! with 'Quick Energy" MCT's High Potency B-Vitamins: Biotin B7 B12 Folate B9 B1 B2 B3 B5 B6

Why supplement with B-vitamins? B-vitamins are essential to life. These nutrients play a critical role in numerous biochemical reactions throughout the body. They are especially important for metabolism, energy production, and the maintenance of a healthy nervous system. B-vitamins are water-soluble nutrients that are poorly stored in the body and readily eliminated after a short period of time. Therefore, in order to maintain optimum levels, B-vitamins must be replenished daily. Advanced Absorption Mega B-Complex is a balanced blend of high-potency B-vitamins that can help you meet or exceed your daily requirements. This formula provides all of the essential B's, including a full 1,000 mcg of methylcobalamin - the biologically active form of vitamin b12. This advanced formulation also includes Medium Chain Triglycerides (MCT's) as the foundation of our Liquid Soft-Gel delivery system. MCT's are a preferred source of quick cellular energy. MCT's are rapidly absorbed into the bloodstream and immediately converted into energy at the cellular level.

What makes us different: Liquid Soft-Gels - The nutrients in these easy-to-swallow Liquid Soft-Gels are released fast. Other forms of delivery can contain binders and fillers that may cause stomach upset and offer no nutritional value. Advanced Liquid Soft- Gels provide an optimum delivery system.

No preservatives added.

Quality Tested Guaranteed PASS Quality Assurance - Irwin Naturals is committed to providing the highest quality products for your health. We employ compliance testing to ensure purity and potency.

Patented BioPerine - Our special BioPerine Complex enhances the bioavailability, absorption and potency of many nutrients.

Additional Information

Quality Tested Guaranteed PASS

Global Responsibility - Over the years we have donated to organizations that support the environment and the health of our children.

Store in a cool, dry place.

Questions: Contact Consumer Affairs 1-800-297-3273 Weekdays 8:00 AM to 5:00 PM (PST) Questions@IrwinNaturals.com

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Metadata

Product Details

UPC / SKU7 10363 57979 1
DSLD Entry Date2023-05-24
Product TypeOther Combinations
FormSoftgel Capsule
DSLD ID292061
Data Updated2026-04-11
Research

Research Evidence

100
Research Sources
56
Avg Quality
48
Systematic Review
30
Meta Analysis
13
Rct
6
Clinical Trial
1
Cochrane Review
1
Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023 PubMed DOI
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022 PubMed DOI
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022 PubMed DOI
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020 PubMed DOI
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021 PubMed DOI
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022 PubMed DOI
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023 PubMed DOI
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.