Thyroid Health Formula by Natural Factors — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
62% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

2 Vegetarian Capsule(s) Serving Size

30 Servings

Other Combinations Product Type

62% Evidence Coverage

Supplement Facts — Evidence Check

Pantothenic Acid

100 mg (2000% DV)

📊 20.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 100mg

Iodine

100 mcg (67% DV)

✅ Within RDA (0.7× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.1mg UL 1.1mg

Selenium

50 mcg (91% DV)

✅ Within RDA (0.9× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.05mg UL 0.4mg

Copper

0.5 mg (56% DV)

✅ Within RDA (0.6× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 0.5mg UL 10mg

Manganese

0.5 mg (22% DV)

✅ Within RDA (0.2× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 0.5mg UL 11mg

L-Tyrosine

500 mg

📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)

This product: 500mg

Ashwagandha extract

150 mg

📊 Market median: 450.0mg (502 products) 📚 28 studies (Tier A: 0, B: 8)

This product: 150mg

Guggul extract

120 mg

Other Ingredients

Vegetarian Capsule Microcrystalline Cellulose Magnesium Stearate

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (96% of products) Structure/Function (80% of products) Nutrient (60% of products) Approved Health (1% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Usage: 2 capsules 1–2 times per day or as directed by a health professional.

⚠️ Warnings & Precautions

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.

Keep out of the reach of children.

Sealed for your protection. Do not use if seal is broken.

🧪 Formulation Notes

Thyroid Health Formula is a dietary supplement designed to provide nutritional support to the thyroid gland – the major gland of metabolism.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, tree nuts, or GMOs.

Suitable for vegetarians/vegans.

Nutritional & herbal support Supports healthy metabolism