Natures Craft Thyroid Support supplement bottle
Natures Craft

Thyroid Support

What We Researched
14 active ingredients analyzed · 9 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
77
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as Cyanocobalamin) 30mcg 1250%
Iodine (as Potassium Iodide) 300mcg 200%
Zinc (as Zinc Citrate) 5mg 45%
Selenium (as Sodium Selenite) 220mcg 400%
Copper (as Copper Sulfate Compounded) 100mcg 11%
Manganese (Manganese Sulfate) 2mg 333%
Ashwagandha Extract 30:1 (Withania somnifera) (Root) (Equivalent to 600mg Ashwagandha) 20mg **
Siberian Ginseng Extract 20:1 (Eleutherococcus senticosus)(Root) (Equivalent to 100mg Siberian Ginseng) 5mg **
Kelp Extract 20:1 (Laminaria japonica Arsch.) (Stem and Leaf) (Equivalent to 40mg Kelp) 2mg **
Seaweed Extract 20:1 (Equivalent to 500mg Seaweed) 25mg **
Schisandra Extract 20:1 (Schisandra chinensis (Turcz.) Baill)(Fruit) 15mg **
Fucus vesiculosus Extract 20:1 (Fucus vesiculosus L.) (Whole Plant) (Equivalent to 40mg Fucus vesiculosus) 2mg **
L-Tyrosine 50mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin B12 (as Cyanocobalamin) Fair
  • Iodine (as Potassium Iodide) Good
  • Zinc (as Zinc Citrate) Good
  • Selenium (as Sodium Selenite) Fair
  • Copper (as Copper Sulfate Compounded) Fair
  • Manganese (Manganese Sulfate) Good
  • Ashwagandha Extract 30:1 (Withania somnifera) (Root) (Equivalent to 600mg Ashwagandha) Good
  • Siberian Ginseng Extract 20:1 (Eleutherococcus senticosus)(Root) (Equivalent to 100mg Siberian Ginseng) Fair
  • Kelp Extract 20:1 (Laminaria japonica Arsch.) (Stem and Leaf) (Equivalent to 40mg Kelp) Fair
  • Seaweed Extract 20:1 (Equivalent to 500mg Seaweed) Good
  • Schisandra Extract 20:1 (Schisandra chinensis (Turcz.) Baill)(Fruit) Good
  • Fucus vesiculosus Extract 20:1 (Fucus vesiculosus L.) (Whole Plant) (Equivalent to 40mg Fucus vesiculosus) Fair
  • L-Tyrosine Good
Other Ingredients Excellent

Fillers & Additives

  • Glucose Syrup
  • Sugar
  • Apple Juice Concentrate. Contains 2% or less of Pectin
  • Citric Acid
  • Sodium Citrate
  • Spinach Powder
  • Natural Flavor (Apple)
  • Palm Oil
  • Carnauba Wax
Efficacy Poor

Dosage Analysis

  • Vitamin B12 (as Cyanocobalamin) 30mcg Effective
  • Iodine (as Potassium Iodide) 300mcg High
  • Zinc (as Zinc Citrate) 5mg Under-dosed
  • Selenium (as Sodium Selenite) 220mcg High
  • Copper (as Copper Sulfate Compounded) 100mcg Under-dosed
  • Manganese (Manganese Sulfate) 2mg Effective
  • Ashwagandha Extract 30:1 (Withania somnifera) (Root) (Equivalent to 600mg Ashwagandha) 20mg Under-dosed
  • Siberian Ginseng Extract 20:1 (Eleutherococcus senticosus)(Root) (Equivalent to 100mg Siberian Ginseng) 5mg Under-dosed
  • Schisandra Extract 20:1 (Schisandra chinensis (Turcz.) Baill)(Fruit) 15mg Under-dosed
  • L-Tyrosine 50mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as Cyanocobalamin) 30mcg 1250%
Iodine (as Potassium Iodide) 300mcg 200%
Zinc (as Zinc Citrate) 5mg 45%
Selenium (as Sodium Selenite) 220mcg 400%
Copper (as Copper Sulfate Compounded) 100mcg 11%
Manganese (Manganese Sulfate) 2mg 333%
Sodium 15mg 1%
Ashwagandha Extract 30:1 (Withania somnifera) (Root) (Equivalent to 600mg Ashwagandha) 20mg **
Siberian Ginseng Extract 20:1 (Eleutherococcus senticosus)(Root) (Equivalent to 100mg Siberian Ginseng) 5mg **
Kelp Extract 20:1 (Laminaria japonica Arsch.) (Stem and Leaf) (Equivalent to 40mg Kelp) 2mg **
Seaweed Extract 20:1 (Equivalent to 500mg Seaweed) 25mg **
Schisandra Extract 20:1 (Schisandra chinensis (Turcz.) Baill)(Fruit) 15mg **
Fucus vesiculosus Extract 20:1 (Fucus vesiculosus L.) (Whole Plant) (Equivalent to 40mg Fucus vesiculosus) 2mg **
L-Tyrosine 50mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Glucose Syrup Generally_safe

It is used as a sweetener and binder.

Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Apple Juice Concentrate. Contains 2% or less of Pectin Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Sodium Citrate Safe

Stabilizes pH and helps maintain ingredient effectiveness.

Spinach Powder Safe

It is used as a natural filler and source of nutrients.

Natural Flavor (Apple) Unknown
Palm Oil Generally_safe

Used as a carrier for fat-soluble ingredients.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Natures Craft

· 3 products

Related Supplements
Frequently Asked Questions
Is Natures Craft Thyroid Support a good supplement?

Natures Craft Thyroid Support received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 14 active ingredients with 30 servings per container. Of the 9 inactive ingredients, 4 are rated safe and 0 are flagged for review.

What are the ingredients in Natures Craft Thyroid Support?

Natures Craft Thyroid Support contains 14 active ingredients: Vitamin B12 (as Cyanocobalamin) (30mcg), Iodine (as Potassium Iodide) (300mcg), Zinc (as Zinc Citrate) (5mg), Selenium (as Sodium Selenite) (220mcg), Copper (as Copper Sulfate Compounded) (100mcg), Manganese (Manganese Sulfate) (2mg), and 8 more. Notable high-dose ingredients include Vitamin B12 at 1250% DV, Selenium at 400% DV, Manganese at 333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natures Craft Thyroid Support safe to take?

Natures Craft Thyroid Support has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.