SPECIMEN #SPRING-V
Verified
BeautySpring Valley
Biotin 5000 mcg
$5 at Walmart for 120 doses of a vitamin you almost certainly don't need. Systematic reviews: biotin doesn't help hair unless you're deficient (rare). It does mess up your thyroid blood tests though. At least the waste is cheap.
4.5/10
POORAnother high-dose biotin that doesn't help unless you're deficient (you're probably not). 120 softgels for $5. Your kidneys will filter out what you don't need. Tell your doctor you take it since it messes up lab tests.
1 ingredientSoftgels120 servings
We'd look at alternativesEvidence
4.0
Dosing
3.0
SynergyN/A (single ingredient)
WhenN/A
FoodN/A
SafetySome cautions
ResearchStrong evidence
What We Like
- 120 softgels for very low cost.
- If you ARE biotin deficient, this works.
Watch Out For
- Systematic reviews: no benefit for non-deficient people.
- Interferes with thyroid and cardiac lab tests.
- 5000mcg is 16,667% of daily value.
- No other beauty nutrients.
What We Analyzed
Verified Supplement Facts
Every dose checked against clinical research
We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.
1 ingredients analyzed
Source: Official product page
Ingredient Breakdown
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
In our database (click to learn more) Not yet reviewed
Our Analysis
Best For
Rare biotin-deficient individuals.
Skip This If
Everyone else.
Time to Feel
Only if deficient.
Value
POOR
How to take: Don't start.
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