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Thyroid Support

Zoi Research
4.7
★ ★ ★ ★ ★
(1513 ratings)
Iodine 300 mcg
Tyrosine 500 mg
Selenium 100 mcg
Copper 2 mg
Ashwagandha 100 mg
Bacopa 100 mg
Green Tea 60 mg
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Score95

Focused thyroid and metabolic support using kelp-derived iodine, tyrosine, and adaptogens.

How scoring works
Quantity:60 Capsule(s) • (30 servings)
Goals:
Metabolism Boost
Energy
General Health
Brain Health
Weight Loss
Hair Health
Skin Health
Immunity

Score 95

Focused thyroid and metabolic support using kelp-derived iodine, tyrosine, and adaptogens.

How scoring works
$12.03($0.40 per serving)
iHerb
$ 12.03
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Analysis

This supplement targets the thyroid system by providing 300 mcg of iodine and 500mg of L-tyrosine, which are foundational for hormone synthesis. It also includes adaptogens like ashwagandha and bacopa to help the body manage stress and maintain focus. These standardized extracts ensure you get a consistent dose of the active parts.

The inclusion of minerals like zinc and selenium helps support the body's natural defense systems and metabolic pathways. This is a well-rounded and professional option for anyone focusing on their systemic energy and vitality. It fits perfectly into a daily routine for metabolic support.

Pros

  • Uses high-quality Bacopin and Ashwagandha
  • Includes 500mg of L-Tyrosine
  • Provides 300 mcg of iodine from Kelp
  • Very affordable price per serving

Cons

  • Magnesium dose is a mix including oxide
  • Requires two capsules daily
  • Limited to 30 servings per bottle

Warnings

  • Iodine can affect those with thyroid conditions
  • Contains ashwagandha; consult if pregnant
  • Bacopa may cause mild digestive changes

Nutrient quality

91 Highest impact

Nutrient quality is high, featuring L-OptiZinc and standardized extracts like Bacopin. These choices ensure better bioavailability and consistent potency across the active botanical markers.

Ingredient transparency

99 Highest impact

Transparency is excellent as the label provides specific amounts for all active components and details on standardization. This allow for clear evaluation of the product's potency and quality.

Customer satisfaction

93 Highest impact

Customer satisfaction is robust, with a high average rating and a large number of positive reviews. Users consistently report improved metabolic energy and cognitive clarity.

Value for money

96 Highest impact

Value is excellent, offering a high-quality, standardized formula at a very affordable price per serving. It is one of the most cost-effective options for comprehensive metabolic and cognitive support.

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Goals

Impact
Highest effect
A Goal FitA+ Strength of SupportA+ CoverageA+ Formula Quality

Iodine from Kelp, Selenium from Selenomethionine, and L-Tyrosine provide comprehensive support for thyroid hormone production and metabolic rate. The addition of adaptogens like Ashwagandha and Gugulipid further supports a balanced metabolic environment under stress.

The 300mcg of Iodine and 500mg of L-Tyrosine are meaningfully dosed to provide significant support for thyroid pathways. This formula offers excellent functional breadth across thyroid and secondary energy-related pathways while maintaining high-potency depth for core metabolic regulators.

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Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA+ Formula Quality

The formulation targets metabolic vitality by providing iodine and tyrosine to support thyroid hormone synthesis. These hormones govern the basal metabolic rate, influencing both physical stamina and mental alertness throughout the day.

In addition to thyroid support, the product incorporates several botanicals like ashwagandha and bacopa to aid focus and stress resilience. The dosages of primary actives appear well-aligned with researched levels for contributing to sustained energy.

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Impact
Highest effect
A Goal FitA- Strength of SupportB+ CoverageA+ Formula Quality

This multi-nutrient formula combines 100 mcg of Selenium and 100 mg of Ashwagandha with Iodine and Zinc for foundational metabolic support. These ingredients work synergistically to maintain healthy thyroid function and stress resilience.

While focused on a specific system, it covers several core micronutrient pillars relevant to daily vitality and long-term wellness. It appears well aligned for individuals seeking systemic support with a focus on metabolic and antioxidant health.

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Impact
Highest effect
A- Goal FitB+ Strength of SupportA- CoverageA Formula Quality

L-Tyrosine and standardized Bacopin provide high-quality support for neurotransmitter synthesis and cognitive maintenance. This multifaceted formula targets brain health through metabolic cofactors and neuroprotective botanicals.

Concentrated 500mg dose of Tyrosine ensures clinical-strength support for mental focus under stress. Inclusion of trademarked Bacopin ensures the presence of active bacosides for learning and memory pathways.

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Impact
Highest effect
A- Goal FitB+ Strength of SupportB+ CoverageA Formula Quality

Metabolic efficiency is targeted by providing the primary nutrients required for thyroid hormone synthesis and stress adaptation. This approach supports a healthy resting metabolic rate while mitigating the impact of stress-induced hormones.

Iodine, Selenium, and L-Tyrosine are foundational for thyroid health. Ashwagandha and Green Tea provide adaptogenic support and antioxidants that may contribute to metabolic balance.

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Impact
Highest effect
B+ Goal FitB+ Strength of SupportB+ CoverageA- Formula Quality

Iodine from kelp, zinc, and ashwagandha are included to address situational causes of hair loss such as thyroid imbalance and stress. These ingredients help create an optimal environment for follicle function and growth.

Antioxidant support from selenium and copper helps protect follicles from environmental damage. This profile appears well aligned for individuals whose hair thinning may be linked to metabolic or stress-related factors.

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Ingredients

IngredientAmount per serving
Vitamin A (Vitamin A Palmitate)
750 mcg RAE
Vitamin C (Ascorbic Acid)
30 mg
Vitamin D3 (Cholecalciferol)
10 mcg
Vitamin B6 (Pyridoxine Hydrochloride)
15 mg
Folate
680 mcg DFE
Iodine (Kelp)
300 mcg
Magnesium (Magnesium Chelate, Magnesium Oxide)
100 mg
Zinc (L-OptiZinc)
10 mg
Selenium (Selenomethionine)
100 mcg
Copper (Copper Gluconate)
2 mg
L-Tyrosine
500 mg
Green Tea Leaf Extract (Polyphenols)
60 mg
Gugulipid (Commiphora mukul Resin Extract)
150 mg
Bacopin leaf extract (Bacosides A&B)
100 mg
Ashwagandha root extract (Withanolides)
100 mg
Adults 18–50 Dairy Free
Report overview
Iodine (Kelp) · 300 mcg OverallScore82
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
This specialized thyroid support formula provides iodine from kelp along with selenium and tyrosine for hormone conversion. It is an effective option for those looking to optimize metabolic function through multiple nutritional pathways.
Tyrosine · 500 mg OverallScore82
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD- Value
This thyroid support supplement provides an effective dose of L-Tyrosine combined with several minerals and extracts. It is a transparently labeled formula that offers fair value for its tyrosine content.
A- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
This thyroid support formula combines selenium with synergistic ingredients like iodine and ashwagandha. It uses a high-quality organic form of selenium, making it a strong option for targeted endocrine health.
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