Met-A-SynX-Pack
90/100
This product looks safe
- Niacin/Niacinamide: 48mg is 1.4× the Tolerable Upper Intake Level (35mg)
- Contains proprietary blend — exact ingredient amounts not disclosed
- 42% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacin/Niacinamide: 48mg is 1.4× the Tolerable Upper Intake Level (35mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed
Label Data
1 Packet(s)
Serving Size
30
Servings
Other Combinations
Product Type
42%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin A
3750 IU
(75% DV)
350 mg
(583% DV)
📊 3.9× RDA — above typical dose (UL: 2000 mg)
📚 245 studies (Tier A: 6, B: 97)
100 IU
(25% DV)
✅ Within RDA (0.2× RDA of 0.015 mg)
📚 604 studies (Tier A: 16, B: 251)
100 IU
(333% DV)
📊 4.5× RDA — above typical dose (UL: 1000 mg)
📚 177 studies (Tier A: 3, B: 90)
25 mg
(1667% DV)
📊 20.8× RDA — above typical dose
📚 76 studies (Tier A: 0, B: 33)
13 mg
(765% DV)
📊 10.0× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
48 mg
(240% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
Vitamin B-6 Complex
25 mg
(1250% DV)
200 mcg
(50% DV)
✅ Within RDA (0.5× RDA of 0.4 mg)
📚 225 studies (Tier A: 10, B: 105)
63 mcg
(1050% DV)
📊 26.3× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
75 mcg
(25% DV)
✅ 2.5× RDA — within safe limits
📚 26 studies (Tier A: 0, B: 11)
125 mg
(1250% DV)
📊 25.0× RDA — above typical dose
📚 1 studies — no high-quality reviews
Calcium
125 mg
(13% DV)
50 mcg
(33% DV)
✅ Within RDA (0.3× RDA of 0.15 mg)
📚 243 studies (Tier A: 4, B: 133)
125 mg
(31% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
6 mg
(40% DV)
✅ Within RDA (0.5× RDA of 11 mg)
📚 258 studies (Tier A: 6, B: 134)
50 mcg
(71% DV)
✅ Within RDA (0.9× RDA of 0.055 mg)
📚 172 studies (Tier A: 0, B: 67)
0.5 mg
(25% DV)
✅ Within RDA (0.6× RDA of 0.9 mg)
📚 36 studies (Tier A: 0, B: 11)
3 mg
(150% DV)
✅ 1.3× RDA — within safe limits
📚 8 studies — no high-quality reviews
250 mcg
(208% DV)
📊 7.1× RDA — above typical dose
📚 197 studies (Tier A: 1, B: 55)
25 mcg
(33% DV)
✅ Within RDA (0.6× RDA of 0.045 mg)
📚 2 studies — no high-quality reviews
Potassium
25 mg
(1% DV)
1000 mg
📊 Market median: 600.0mg (321 products)
📚 5 studies — no high-quality reviews
Plant Sterols
400 mg
Gymnema sylvestre extract
400 mg
250 mg
📊 Market median: 500.0mg (193 products)
📚 7 studies — no high-quality reviews
Cinnulin PF Cinnamon extract
250 mg
Proprietary Blend
175 mg
Sytrinol
150 mg
60 mg
📊 Market median: 100.0mg (283 products)
📚 142 studies (Tier A: 1, B: 64)
📊 Market median: 250.0mg (182 products)
📚 10 studies (Tier A: 0, B: 2)
L-Cysteine/N-Acetyl L-Cysteine
38 mg
29 mg
📊 Market median: 496.0mg (192 products)
📚 20 studies — no high-quality reviews
Rose Hips
25 mg
25 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Blueberry
25 mg
25 mg
📊 Market median: 500.0mg (497 products)
📚 132 studies (Tier A: 0, B: 40)
Broccoli
25 mg
Cauliflower
25 mg
25 mg
📊 Market median: 200.0mg (107 products)
25 mg
📊 Market median: 4.0mg (67 products)
Green Papaya extract
25 mg
25 mg
📊 Market median: 550.0mg (217 products)
📚 29 studies (Tier A: 0, B: 5)
15 mg
📊 Market median: 125.0mg (294 products)
📚 36 studies (Tier A: 1, B: 7)
13 mg
📊 Market median: 100.0mg (284 products)
📚 10 studies (Tier A: 0, B: 4)
13 mg
📊 Market median: 260.0mg (249 products)
📚 156 studies (Tier A: 4, B: 61)
sprouted Barley juice
13 mg
Wheat Grass juice
13 mg
Beet extract
13 mg
Apple Pectin
13 mg
13 mg
📊 Market median: 500.0mg (9 products)
13 mg
📊 Market median: 200.0mg (136 products)
📚 3 studies — no high-quality reviews
Hesperidin
9 mg
6 mg
📊 Market median: 500.0mg (19 products)
Glutamic Acid
5 mg
3 mg
📊 Market median: 500.0mg (193 products)
📚 7 studies — no high-quality reviews
1.5 mg
📊 Market median: 10.0mg (105 products)
📚 1 studies (Tier A: 0, B: 1)
1.5 mg
📊 Market median: 10.0mg (35 products)
📚 5 studies (Tier A: 0, B: 2)
0.4 mg
📊 Market median: 3.0mg (58 products)
📚 2 studies — no high-quality reviews
0.25 mg
📊 Market median: 4.0mg (32 products)
Trace Elements
25 mcg
13 mcg
📊 Market median: 0.5mg (6 products)
📚 1 studies (Tier A: 0, B: 1)
Other Ingredients
Cellulose
Mannitol
Sorbitol
Vegetable Stearate
Gelatin
Silica
Citric Acid
natural Lemon-Lime flavor
natural Orange flavor
Povidone
Label Claims — Verification
❓
All Other
All Other (99% of products)
Structure/Function (76% of products)
Nutrient (58% of products)
Target Groups
Adult (18 - 50 Years)
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Suggested Usage: As a dietary supplement, adults take 1 pack daily or as directed by your healthcare professional. This product is best taken with meals.
⚠️ Warnings & Precautions
Tamper resistant package, do not use if outer seal is missing.
KEEP OUT OF REACH OF CHILDREN.
If you are pregnant, nursing, or have diabetes or any other medical condition for which you are under the care of a physician, consult your doctor before using this product.
🧪 Formulation Notes
Each Pack Contains: two oval shaped, dark speckled, olive green multi-vitamin tablets, two khaki colored natural vegetable capsules, two natural gelatin capsules containing light tan powder, two brown speckled, natural vegetable capsules and one round, yellow, uncoated tablet with specks.
This product contains NO yeast, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Additional Information
Sytrinol(TM)
Formula #64198
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
Product Details
UPC / SKU
3 10539 03181 0
DSLD Entry Date
2012-06-25
Product Type
Other Combinations
Form
Other (e.g. tea bag)
Brand
Douglas Laboratories
DSLD ID
9705
Data Updated
2026-04-11
Research Evidence
337
Research Sources
54
Avg Quality Score
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A
Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
A
Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
A
Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
A
Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
A
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
A
Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
A
Food fortification with multiple micronutrients: impact on health outcomes in general population
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