Essential B Complex

product on market Liquid BioSource Labs 🟢 Safety: 100/100
Brand: BioSource Labs
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 mL Serving Size
60 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

1.45 mg (110% DV)
✅ 1.1× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.45mg
2.1 mg (13% DV)
✅ Within RDA (0.1× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 2.1mg UL 35mg
2.6 mg (152% DV)
✅ 2.0× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2.6mg UL 100mg
1500 mcg (62500% DV)
📊 625.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 1.5mg
Potassium
3 mg (1% DV)
Cell Support Blend
76 mg

Other Ingredients

Water, Deionized Glycerin Sodium Gluconate Natural Flavors Citrus Extract Citric Acid Glucomannan Stevia Extract Monk Fruit Extract

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (48% of products) No Claim (1% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested use: Measure and take 1 mL (1 full dropper) by mouth once per day.

⚠️ Warnings & Precautions

Warning: Consult a physician before use. Do not use if tamper resistant seal is damaged or broken. If experiencing nausea, dizziness, vomiting, or severe headaches, discontinue use and consult your physician.

🧪 Formulation Notes

Essential B Complex delivers a potent bioavailable dose of methyl B12 along with other important B vitamins and cell boosting ingredients to help support key bodily functions.

Advanced formulation for sustained daily energy Optimized for max absorption & cellular performance

Additional Information

Refrigerate after opening for extended storage time

To reorder call 1-866-537-2214 or visit www.biosourcelabs.com

Made in USA cGMP Quality Guarantee

Product Details

UPC / SKU X003Z6THC9
DSLD Entry Date 2025-02-23
Product Type Other Combinations
Form Liquid
Brand BioSource Labs
DSLD ID 323067
Data Updated 2026-04-11

Research Evidence

22 Research Sources
49 Avg Quality Score
8 Rct
4 Meta Analysis
4 Clinical Trial
3 Systematic Review
1 Cochrane Review
1 Regulatory Source
B Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
Systematic Review BMJ open 2024
PubMed DOI
B Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2022
PubMed DOI
B Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
B Riboflavin supplements for blood pressure lowering in adults.
Cochrane Review The Cochrane database of systematic reviews
PubMed DOI Cochrane
B Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2022
PubMed DOI
C Prophylaxis of migraine headaches with riboflavin: A systematic review
Systematic Review Journal of clinical pharmacy and therapeutics 2017
PubMed DOI
C Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
Rct Cephalalgia : an international journal of headache 2010
PubMed DOI
C The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
Meta Analysis International ophthalmology 2023
PubMed DOI
C Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
Meta Analysis The ocular surface 2014
PubMed DOI
C Improvement of migraine symptoms with a proprietary supplement containing riboflavin, magnesium and Q10: a randomized, placebo-controlled, double-blind, multicenter trial
Rct The journal of headache and pain 2015
PubMed DOI
View all evidence for Riboflavin →

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