EZ Flex
89/100
This product is generally safe
- Niacin: 250mg is 7.1× the Tolerable Upper Intake Level (35mg)
- Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
- 100% of ingredients have research evidence
D
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacin: 250mg is 7.1× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
Label Data
1 Tablet(s)
Serving Size
60
Servings
Botanical with Nutrients
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
36 mg
(2769% DV)
📊 27.7× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
250 mg
(1563% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 7.1× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
50 mg
(2941% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
665 mcg DFE
(166% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 665.0× (UL: 1.0 mg)
📚 225 studies (Tier A: 10, B: 105)
200 mcg
(8333% DV)
📊 83.3× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
50 mg
(12% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
📊 Market median: 450.0mg (254 products)
📚 240 studies (Tier A: 0, B: 100)
Other Ingredients
Microcrystalline Cellulose
Cellulose
Stearic Acid
Silica
Croscarmellose Sodium
Coating
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
Vegetarian
Adult (18 - 50 Years)
Gluten Free
Product Information
📋 Directions for Use
Directions: Take on tablet twice daily or as directed by your healthcare practitioner.
⚠️ Warnings & Precautions
Caution: If pregnant, nursing, or taking medication, consult your healthcare practitioner before use.
Keep out of the reach of children.
🧪 Formulation Notes
EZ Flex features high potency B vitamins as well as magnesium, and the herb turmeric in a formula designed to nutritionally support muscle tissue health.
This product is non-GMO, gluten-free, and vegetarian.
This product is non-GMO, gluten-free, and vegetarian.
Nutritonal support for muscle health
Additional Information
Storage: Keep tightly closed in a cool, dry place.
GF Certified Gluten-free
Practitioner exclusive
Product Details
UPC / SKU
7 55571 01595 2
DSLD Entry Date
2020-03-24
Product Type
Botanical with Nutrients
Form
Tablet or Pill
Brand
Metagenics
DSLD ID
216348
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
B
Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
B
Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
B
Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
C
Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
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
C
Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
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