B-Complex

product on market Capsule Nested Naturals 🟢 Safety: 92/100
Brand: Nested Naturals
🟢 92/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)
  • 90% of ingredients have research evidence
D Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Vegan Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
90% Evidence Coverage

Supplement Facts — Evidence Check

50 mg (4167% DV)
📊 41.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 50mg
50 mg (3846% DV)
📊 38.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 50mg
50 mg (313% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
50 mcg (2941% DV)
📊 Market median: 10.0mg (1576 products) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.05mg UL 100mg
680 mcg DFE (170% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 680.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 680mg UL 1.0mg
50 mcg (2083% DV)
📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.05mg
50 mcg (167% DV)
✅ 1.7× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.05mg
50 mcg (1000% DV)
📊 Market median: 9.0mg (620 products) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 0.05mg
50 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 50mg
50 mg (9% DV)
✅ Within RDA (0.1× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 50mg UL 3500mg

Other Ingredients

Rice Flour Vegetable Cellulose

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (47% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Take 1 vegan capsule daily with water as needed.

⚠️ Warnings & Precautions

Warning: Use only as directed.

Consult your physician before use if you are pregnant or nursing, have a serious medical condition, or use prescription medications.

Keep out of reach of children.

Food supplements are not a substitute for a varied diet.

Do not use if safety seal is broken.

🧪 Formulation Notes

Nested Naturals B-Complex provides all 8 B-vitamins along with their close cousins choline and inositol for added support. B-vitamins play a role in covering food to fuel to promote a healthy metabolism. B-vitamins are involved in metabolism, helping you produce the energy you need to power through your day.

Supports the normal function of serotonin and dopamine, promoting positive mood. Helps to promote a healthy response to occasional stress.

B-Vitamins + Choline + Inositol

Energy Mood Stress

Vegan

Non GMO

Allergies? We have you covered. This product contains no wheat, gluten, GMO, soy, dairy, egg, corn, fish, shellfish, nuts, tree nuts, yeast, barley, or added sugar. Gluten free

Additional Information

Get your next bottle free nestednaturals.com/free One use per customer

3rd Party Verified for Purity & Potency Lab tested

Lifetime guarantee

Store in a cool, dry place. Avoid excessive heat.

Made with love

Product Details

UPC / SKU X001GN7VPD
DSLD Entry Date 2023-06-22
Product Type Other Combinations
Form Capsule
Brand Nested Naturals
DSLD ID 286808
Data Updated 2026-04-11

Research Evidence

100 Research Sources
56 Avg Quality Score
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 Cochrane
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 Cochrane
View all evidence for Thiamine →

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