Home/ Supplements/ Riboflavin/ Sublingual Liquid B Complex

Sublingual Liquid B Complex

product on market Liquid Nature's Bounty Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 80% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This product contains a blend of B vitamins that support cellular energy production and neurological function. Research provides strong evidence for the role of these nutrients in metabolic processes and red blood cell formation. However, the overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for Sublingual Liquid B Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 mL
Serving Size
59
Servings
Vitamin
Product Type
80%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.7 mg (131% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (118% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
1200 mcg (50000% DV)
500.0× RDA — above typical dose 139 studies (A:1, B:44)
30 mg (600% DV)
6.0× RDA — above typical dose 2 studies — no high-quality reviews

Other Ingredients

purified Water Sorbitol Vegetable Glycerin Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Shake well before use. For adults, place one (1) mL (cc) under the tongue and hold there for 30 seconds before swallowing, up to four times daily.

Warnings & Precautions

Warning: If you are pregnant, nursing, 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.

Do not use if outer seal is broken or missing.

Formulation Notes

Guaranteed Quality Laboratory Tested

Non-GMO, no artificial color, no artificial flavor, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish.

Suitable for Vegetarians

5 Key B Vitamins

Supports Energy Metabolism Energy Health

Made In The USA with select ingredients from around the world

Additional Information

Nearly 50 years of trusted quality At Nature’s Bounty, we committed to your health. For nearly 50 years we have been making trusted products, backed by science, and made with only the purest ingredients…guaranteed. So you can get the most out of life every day. Great Tasting Calibrated Dropper Inside

Nutrition Questions or Comments? Call 1-800-433-2990 Mon. - Sat. 9 AM - 7 PM ET Join our Loyalty Program at NaturesBountyRewards.com

Store at room temperature.

Refrigeration is not required

Metadata

Product Details

UPC / SKU0 74312 02871 7
DSLD Entry Date2021-01-22
Product TypeVitamin
FormLiquid
BrandNature's Bounty
DSLD ID242562
Data Updated2026-04-11
Research

Research Evidence

22
Research Sources
49
Avg Quality
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
B Riboflavin supplements for blood pressure lowering in adults.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.