ThyroLife Optima
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 70% of ingredients have research evidence
A
Label Compliance Grade
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyThe formula contains essential vitamins A, C, D3, E, and thiamine, which support cellular function and antioxidant defense. There is strong clinical evidence for the roles of these micronutrients in maintaining general health. However, overall evidence coverage for this specific combination is limited.
AI-generated summary based on research evidence. Not medical advice.
Label
Product Label
Details
Label Data
3 Vegetarian Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
70%
Evidence Coverage
Ingredients
Supplement Facts — Evidence Check
Vitamin A
2500 IU
(50% DV)
Vitamin C
500 mg
(833% DV)
1000 IU
(250% DV)
1.7× RDA — within safe limits
608 studies (A:16, B:251)
200 IU
(667% DV)
8.9× RDA — above typical dose (UL: 1000 mg)
179 studies (A:3, B:90)
25 mg
(1667% DV)
20.8× RDA — above typical dose
76 studies (A:0, B:33)
25 mg
(1471% DV)
19.2× RDA — above typical dose
13 studies (A:0, B:1)
15 mg
(75% DV)
1.1× RDA — within safe limits
196 studies (A:5, B:63)
100 mg
(5000% DV)
76.9× RDA — above typical dose (UL: 100 mg)
114 studies (A:3, B:35)
400 mcg
(100% DV)
Within RDA (1.0× RDA)
226 studies (A:10, B:105)
75 mcg
(1250% DV)
31.2× RDA — above typical dose
139 studies (A:1, B:44)
250 mcg
(83% DV)
8.3× RDA — above typical dose
27 studies (A:0, B:11)
40 mg
(400% DV)
8.0× RDA — above typical dose
2 studies — no high-quality reviews
120 mcg
(80% DV)
Within RDA (0.8× RDA)
245 studies (A:4, B:133)
200 mg
(50% DV)
Within RDA (0.5× RDA)
316 studies (A:8, B:159)
15 mg
(100% DV)
1.4× RDA — within safe limits
263 studies (A:6, B:134)
100 mcg
(143% DV)
1.8× RDA — within safe limits
173 studies (A:0, B:67)
200 mcg
(10% DV)
Within RDA (0.2× RDA)
37 studies (A:0, B:11)
1.5 mg
(75% DV)
Within RDA (0.7× RDA)
9 studies — no high-quality reviews
100 mcg
(83% DV)
2.9× RDA — within safe limits
199 studies (A:1, B:55)
40 mcg
(80% DV)
Within RDA (0.9× RDA)
3 studies — no high-quality reviews
100 mg
Market median: 500.0mg (180 products)
5 studies (A:0, B:1)
100 mg
Market median: 200.0mg (107 products)
75 mg
Market median: 300.0mg (122 products)
22 studies (A:0, B:7)
50 mg
Market median: 500.0mg (283 products)
174 studies (A:0, B:62)
40 mg
Market median: 450.0mg (390 products)
160 studies (A:0, B:63)
L-Glutathione
40 mg
40 mg
Market median: 200.0mg (198 products)
6 studies — no high-quality reviews
40 mg
Market median: 550.0mg (217 products)
29 studies (A:0, B:5)
20 mg
Market median: 500.0mg (9 products)
7 studies — no high-quality reviews
L-Glutamic Acid
15 mg
2 mg
Market median: 10.0mg (35 products)
6 studies (A:0, B:2)
25 mcg
Market median: 0.5mg (6 products)
1 studies (A:0, B:1)
1000000000 CFU
Market median: 80.0mg (20 products)
337 studies (A:8, B:183)
Other Ingredients
Hydroxypropyl Methylcellulose
Cellulose
Vegetable Stearate
Silica
Claims
Label Claims — Verification
Unverified
All Other
Info
Product Information
Directions for Use
Suggested Usage: As a dietary supplement, adults take 3 vegetarian capsules daily with food or as directed by your healthcare professional
Warnings & Precautions
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Formulation Notes
This product contains NO yeast, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Additional Information
For optimal storage conditions, store in a cool, dry place.(59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
Formula #201515
Metadata
Product Details
UPC / SKU3 10539 03880 2
DSLD Entry Date2014-03-25
Product TypeOther Combinations
FormCapsule
BrandDouglas Laboratories
DSLD ID31125
Data Updated2026-04-11
Research
Research Evidence
337
Research Sources
54
Avg Quality
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
Fortification of staple foods with vitamin A for vitamin A deficiency
A
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
A
Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
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
Compare
Similar Products
Thyrosol
Metagenics · Capsule
100
Thyro Complex
Akasha Naturals · Capsule
100
START! Multi-Vitamin + Joints
Botanic Choice · Capsule
100
START! Multi-Vitamin + Vision
Botanic Choice · Capsule
100
START! Multi-Vitamin + Heart
Botanic Choice · Capsule
100
Vitamin A research
Best Vitamin A
All Vitamin A products
More from Douglas Laboratories
View on NIH DSLD →
This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.