B 100 Complex

product on market Tablet or Pill Sundown Naturalist 🟢 Safety: 87/100
Brand: Sundown Naturalist
🟢 87/100

This product is generally safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 75% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Tablet(s) Serving Size
Other Combinations Product Type
75% Evidence Coverage

Supplement Facts — Evidence Check

100 mg (6667% DV)
📊 83.3× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 100mg
100 mg (5882% DV)
📊 76.9× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 100mg
100 mg (500% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 100mg UL 35mg
100 mg (5000% DV)
📊 76.9× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 100mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
100 mcg (1667% DV)
📊 41.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.1mg
100 mcg (33% DV)
📊 3.3× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.1mg
100 mg (1000% DV)
📊 20.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 100mg
100 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 100mg
100 mg
📊 Market median: 500.0mg (9 products)
This product: 100mg
100 mg
✅ Within RDA (0.2× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 100mg UL 3500mg
Proprietary Blend
5 mg

Other Ingredients

Cellulose Hydroxypropyl Cellulose Croscarmellose Contains <2% of:

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

DIRECTIONS: FOR ADULTS, TAKE ONE (1) TABLET DAILY, PREFERABLY WITH A MEAL.

⚠️ Warnings & Precautions

Contains soy ingredients.

WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

🧪 Formulation Notes

Yeast Free

No yeast, wheat, gluten, milk or milk derivatives, lactose, sugar, preservatives, artificial color, artificial flavor, sodium.

Contains soy ingredients.

Vegetarian Formula

Additional Information

100% QUALITY ASSURANCE LABORATORY TESTED

Supports Heart and Nervous System Health

IMPORTANT FACTS YOU SHOULD KNOW The B Complex is made up of several vitamins that work well together to support nervous system health.* B Complex vitamins also support energy metabolism.* Each nutrient in the B Complex performs a unique role in maintaining proper metabolic functioning and is essential for well-being.*

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Quality Guaranteed Lab Tested Laboratory tested to meet strict quality control standards for potency, purity and disintegration. 100% Quality Guaranteed.

Prod. No. 45137 08E B770

ACTUAL SIZE

Product Details

UPC / SKU 0 30768 01092 8
DSLD Entry Date 2016-08-24
Product Type Other Combinations
Form Tablet or Pill
Brand Sundown Naturalist
DSLD ID 63401
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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