Product photo 1 of 7
Scored forOutcome alternatives
21st Century100 count • 100 servingsAvailable now$6.64$0.07 / serving4.7 · 29,885 ratings
86−1 pts from leader
#8 of 2977 ranked for thyroid-stimulating hormoneLeader · Life Extension, Life Extension, Sea-Iodine™, 1,000 mcg, 60 Vegetarian Capsules — 87
Why this ranks #8 for thyroid-stimulating hormone
- Evidence fitBiotin and Potassium Iodide are the strongest evidence signals for this outcome.
- Dose fit1 of 2 dosed ingredients land in the studied range. Biotin at 43 mcg sits below the studied 5000-20000 mcg window.
- Price / serving$0.07 per serving — low price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Thyroid-stimulating hormone
86
88
67
99
43 mcgBelow rangebelow the studied 5000-20000 mcg window
150 mcgIn rangeinside the studied 150-500 mcg window
99 mg
450 mcg
210 mg
15.5 mg
6.2 mcg
15 mg
240 mcg
300 mcg
120 mg
2.3 mg
17.6 mg
2.2 mg
450 mcg
1.4 mg
1.3 mg
25 mcg
11 mg
Retailer links may be affiliate links. Rankings and placement are not paid placement.
