CanPrev Thyroid-Pro Formula - Iodine, Selenium & Ashwagandha | 60 Vegan Caps
Visit the CanPrev Store| Brand | CanPrev |
| Serving | 2 capsules, once daily |
| Licensed Natural Health Product | NPN 80087065 |
| Quality Standards | Made in Canada |
| Country | Made in Canada |
About this item
- A 7-NUTRIENT THYROID FORMULA: Thyroid-Pro Formula combines 450 mg L-Tyrosine, 200 mcg Iodine, 100 mg Ashwagandha root extract, 100 mcg Selenium, 7.5 mg Zinc, 1.5 mg Copper and 500 mcg Manganese in every 2-capsule serving - a comprehensive blend, not a single-nutrient formula.
- 200 MCG IODINE FROM BROWN SEAWEED: Iodine (Laminaria digitata/Ascophyllum nodosum) is a mineral the thyroid gland uses directly to manufacture its hormones - this formula helps prevent iodine deficiency.
- 450 MG L-TYROSINE: An amino acid the body uses as a direct building block for thyroid hormone synthesis, alongside the cofactor minerals in this formula.
- 100 MG ASHWAGANDHA ROOT EXTRACT: Ashwagandha (Withania somnifera root, standardized to 1.5% withanolides) is a traditional adaptogenic herb included alongside the thyroid-support minerals.
- SELENIUM, ZINC, COPPER & MANGANESE (ALBION CHELATES): Selenium (Albion selenium glycinate complex), Zinc, Copper and Manganese (Albion bisglycinate chelates) round out the formula's essential trace mineral cofactors.
- HELPS THYROID GLAND FUNCTION AND PREVENTS IODINE DEFICIENCY: Thyroid-Pro Formula's authorized use is to help in the function of the thyroid gland and help prevent iodine deficiency.
- CLEAN, VEGAN CAPSULE FORMAT: No artificial colours, flavours or preservatives - free from gluten, dairy and soy - just a vegetable capsule and magnesium stearate.
- PREMIUM CANADIAN QUALITY: Formulated and made in Canada by CanPrev, licensed under Health Canada NPN 80087065.
Product Description
Thyroid-Pro Formula - 7 Real Nutrients & Herbs for Thyroid Gland Function

A synergistic blend of iodine, L-tyrosine, ashwagandha, selenium, zinc, copper and manganese - used to help in the function of the thyroid gland and help prevent iodine deficiency. Licensed Natural Health Product NPN 80087065.
Un mélange synergique d'iode, de L-tyrosine, d'ashwagandha, de sélénium, de zinc, de cuivre et de manganèse - utilisé pour aider au fonctionnement de la glande thyroïde et aider à prévenir une carence en iode. Produit de santé naturel homologué. NPN 80087065.
One Formula, 7 Real Thyroid Nutrients
Iodine, L-Tyrosine, Ashwagandha, Selenium, Zinc, Copper & Manganese - Vegan Capsules, No Fillers
A Genuine 7-Nutrient Thyroid Formula
Thyroid-Pro Formula combines 450 mg L-Tyrosine, 200 mcg Iodine, 100 mg Ashwagandha root extract, 100 mcg Selenium, 7.5 mg Zinc, 1.5 mg Copper and 500 mcg Manganese in every 2-capsule serving - not a single-nutrient formula.
Used to Help Thyroid Gland Function and Prevent Iodine Deficiency
Take 2 capsules per day - Thyroid-Pro Formula's authorized use is to help in the function of the thyroid gland and help prevent iodine deficiency.
Advanced Ingredients, Superior Results
Thyroid-Pro Formula combines 7 real nutrients and herbs - here is what several of its key ingredients are generally studied for.
L-Tyrosine
An amino acid the body uses as a direct building block for the thyroid hormones T3 and T4, and for neurotransmitters that support mental alertness.
450 mg per 2-capsule servingIodine (Laminaria digitata/Ascophyllum nodosum)
An essential trace mineral the thyroid gland uses directly to manufacture T3 and T4 hormone, sourced here from brown seaweed (bladderwrack/kelp).
200 mcg per 2-capsule servingAshwagandha (root, Withania somnifera, 1.5% withanolides)
A traditional adaptogenic herb studied for supporting the body's stress response alongside healthy thyroid hormone levels.
100 mg per 2-capsule servingSelenium (Albion selenium glycinate complex)
A trace mineral cofactor for the selenoprotein enzymes that convert T4 into the body's active thyroid hormone, T3.
100 mcg per 2-capsule servingZinc (Albion zinc bisglycinate chelate)
An essential mineral involved in thyroid hormone synthesis and metabolism, provided here in a gentle, well-absorbed bisglycinate chelate form.
7.5 mg per 2-capsule servingCopper (Albion copper bisglycinate chelate)
A trace mineral cofactor supporting normal cellular energy metabolism and the body's antioxidant enzyme systems.
1.5 mg per 2-capsule servingManganese (Albion manganese bisglycinate chelate)
A trace mineral cofactor for the body's own antioxidant enzyme systems, rounding out this formula's thyroid-supportive nutrient blend.
500 mcg per 2-capsule servingCanPrev Thyroid-Pro Formula: Supplement Facts
Supplement Facts
- L-Tyrosine per 2 capsules450 mg
- Iodine (Laminaria digitata/Ascophyllum nodosum) per 2 capsules200 mcg
- Ashwagandha (root, Withania somnifera) standardized to 1.5% withanolides per 2 capsules100 mg
- Selenium (Albion® selenium glycinate complex) per 2 capsules100 mcg
- Zinc (Albion® zinc bisglycinate chelate) per 2 capsules7.5 mg
- Copper (Albion® copper bisglycinate chelate) per 2 capsules1.5 mg
- Manganese (Albion® manganese bisglycinate chelate) per 2 capsules500 mcg
Non-Medicinal Ingredients: Non-medicinal ingredients: Hypromellose (vegetable capsule), magnesium stearate. Vegan. Free from gluten, dairy, soy, artificial colours, flavours and preservatives.
Recommended Use or Purpose: Helps in the function of the thyroid gland. Helps to prevent iodine deficiency.
Recommended Dose (Adults 19 years and older): Take 2 capsules per day, or as directed by a qualified health care practitioner.
Cautions and Warnings: Do not use if you are pregnant or breastfeeding. Consult a health care practitioner prior to use if you are taking other medications or natural health products, following a low-protein diet, or if you have a history of non-melanoma skin cancer. Avoid taking with alcohol or other medications or natural health products with sedative properties. Do not use if the safety seal is broken. Keep out of reach of children.
Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.
Fiche produit
- L-tyrosine par 2 capsules450 mg
- Iode (Laminaria digitata/Ascophyllum nodosum) par 2 capsules200 mcg
- Ashwagandha (racine, Withania somnifera) normalisé à 1,5 % withanolides par 2 capsules100 mg
- Sélénium (complexe de glycinate de sélénium Albion®) par 2 capsules100 mcg
- Zinc (chélate de bisglycinate de zinc Albion®) par 2 capsules7.5 mg
- Cuivre (chélate de bisglycinate de cuivre Albion®) par 2 capsules1.5 mg
- Manganèse (chélate de bisglycinate de manganèse Albion®) par 2 capsules500 mcg
Ingrédients non médicinaux : Ingrédients non médicinaux : Hypromellose (capsule végétale), stéarate de magnésium. Végane. Sans gluten, produits laitiers, soya, colorants, arômes ni agents de conservation artificiels.
Usage ou fins recommandés : Aide au fonctionnement de la glande thyroïde. Aide à prévenir une carence en iode.
Posologie recommandée (adultes de 19 ans et plus) : Prendre 2 capsules par jour, ou selon les directives d'un praticien de soins de santé qualifié.
Mises en garde : Ne pas utiliser si vous êtes enceinte ou si vous allaitez. Consulter un praticien de soins de santé avant l'usage si vous prenez d'autres médicaments ou produits de santé naturels, si vous suivez un régime pauvre en protéines, ou si vous avez des antécédents de cancer de la peau autre que mélanome. Éviter l'usage concomitant d'alcool ou d'autres médicaments ou produits de santé naturels ayant des propriétés sédatives. Ne pas utiliser si le sceau de sécurité est brisé. Garder hors de la portée des enfants.
NPN 80087065
Support your thyroid gland and help prevent iodine deficiency
Get CanPrev Thyroid-Pro Formula on Amazon.ca - fast, protected delivery.
Get it on Amazon.caWhy CanPrev Thyroid-Pro Formula
A comprehensive, 7-nutrient thyroid support formula built to help thyroid gland function and prevent iodine deficiency - premium CanPrev quality, made in Canada.
7 real thyroid nutrients
L-Tyrosine, Iodine, Ashwagandha, Selenium, Zinc, Copper and Manganese - all in one 2-capsule daily serving.
Helps thyroid gland function and prevents iodine deficiency
Thyroid-Pro Formula is a licensed Natural Health Product used to help in the function of the thyroid gland and help prevent iodine deficiency.
Simple, once-daily routine
Take 2 capsules per day - a straightforward routine for consistent thyroid nutrient support.
Premium Canadian brand
Formulated and made in Canada by CanPrev, in clean vegan capsules with no artificial colours. NPN 80087065.
Inside every serving
7 real thyroid nutrients - 450 mg L-Tyrosine, 200 mcg Iodine, 100 mg Ashwagandha, 100 mcg Selenium, 7.5 mg Zinc, 1.5 mg Copper and 500 mcg Manganese - used to help in the function of the thyroid gland and help prevent iodine deficiency.
How to use it
Take 2 capsules per day
Adults (19 years and older) take 2 capsules per day, or as directed by a health care practitioner.
One bottle = one 30-day supply
60 capsules at 2 capsules per day provides a 30-day supply per bottle.
Check for interactions first
Do not use if you are pregnant or breastfeeding. Consult a health care practitioner before use if you are taking other medications or natural health products, following a low-protein diet, or if you have a history of non-melanoma skin cancer.
Avoid combining with sedatives
Avoid taking with alcohol or other medications or natural health products with sedative properties.
What the research says about Thyroid-Pro Formula's ingredients
Educational summaries of published research on the individual ingredients in CanPrev Thyroid-Pro Formula; not product-specific claims. This product's own authorized use is under NPN 80087065.
A comprehensive review confirms iodine's essential role in thyroid hormone synthesis
A 2026 review describes iodine as an essential micronutrient required for thyroid hormone synthesis and metabolic, neurodevelopmental and immune function, noting the body cannot make it endogenously so adequate intake is required.
ReviewIodine intake and thyroid outcomes follow a U-shaped relationship
A 2026 review found both low and high iodine exposure can adversely affect thyroid function, highlighting a narrow optimal intake window and iodine's central role in thyroid hormone synthesis and metabolic homeostasis.
ReviewA large cohort study linked urinary iodine to thyroid hormone regulation
A repeated cross-sectional study of 649 pregnant women found a nonlinear, U-shaped relationship between urinary iodine concentration and TSH, underscoring iodine's direct role in thyroid hormone regulation.
Human cohort studyA meta-analysis of 35 studies found selenium lowered thyroid antibodies
A systematic review and meta-analysis of 35 randomized trials found selenium supplementation significantly decreased thyroid peroxidase antibodies and lowered TSH in people with Hashimoto thyroiditis not on thyroid hormone replacement.
Meta-analysisA meta-analysis of 1,610 patients confirmed selenium reduced thyroid antibodies
A systematic review and meta-analysis of 21 studies (1,610 subjects) found selenium supplementation significantly reduced thyroid peroxidase and thyroglobulin antibodies, with selenomethionine the most effective form studied.
Meta-analysisReviewed as essential for converting T4 into active T3 thyroid hormone
A 2025 review describes selenium as crucial for synthesizing the selenoproteins that convert thyroxine (T4) into the active hormone triiodothyronine (T3) via deiodinase activity, while protecting thyroid cells from oxidative damage.
ReviewA case report found zinc deficiency caused reversible thyroid dysfunction
A case report describes a man on long-term nutrition support without trace element supplementation who developed thyroid dysfunction from selenium and zinc deficiency; zinc supplementation helped normalize his thyroid function.
Case reportA study of pregnant women linked trace mineral levels to thyroid status
A study of 61 pregnant women in an iodine-deficient region examined zinc, copper and magnesium alongside thyroid-stimulating hormone, finding trace mineral levels correlated with thyroid status and subclinical hypothyroidism.
Human studyWomen with subclinical hypothyroidism showed significantly lower zinc levels
A case-control study of newly diagnosed subclinical hypothyroid women found significantly reduced serum zinc and antioxidant enzyme activity compared with healthy controls, alongside an elevated copper-to-zinc ratio.
Case-control studyMechanistic research shows tyrosine residues are the building blocks of thyroxine
A 2024 study modeled how thyroxine, the thyroid's main hormone product, is synthesized at tyrosine residue sites within thyroglobulin, where iodination and coupling reactions complete hormone formation.
Laboratory studyA secondary trial analysis confirmed tyrosine's role as a thyroid hormone precursor
A secondary analysis of the EFFORT randomized trial in 238 nutritionally at-risk patients described tyrosine as a metabolite that serves as a precursor of thyroid hormones and catecholamines, finding low tyrosine levels associated with increased mortality risk.
Human RCT (secondary analysis)Reviewed as a leading nutritional candidate for cognitive performance under stress
A review of dietary nootropics for cognitive performance names caffeine and L-tyrosine as the leading nutritional supplement candidates supported by research, particularly for use during periods of high physical and psychological stress.
ReviewA randomized trial found ashwagandha improved thyroid hormone levels
A double-blind, placebo-controlled trial of 50 subclinical hypothyroid patients found 8 weeks of ashwagandha root extract (600 mg/day) significantly improved serum TSH, T3 and T4 levels compared to placebo.
Human RCTA meta-analysis of 23 trials found ashwagandha modestly raised T4 levels
A systematic review and meta-analysis of 23 randomized trials (1,706 patients) found oral ashwagandha modestly increased T4 levels, while cortisol was significantly reduced and no significant effect was found on TSH or T3.
Meta-analysisAn 8-week safety study monitored ashwagandha's effect on thyroid indices
A placebo-controlled study monitoring thyroid safety in a bipolar-disorder trial found ashwagandha-treated patients experienced modest T4 increases from baseline, prompting the authors to recommend ongoing vigilance for thyroid changes.
Human RCT (safety analysis)A meta-analysis of 9 trials found ashwagandha reduced stress and cortisol
A systematic review and meta-analysis of 9 randomized trials (558 patients) found ashwagandha significantly reduced Perceived Stress Scale scores, anxiety scores, and serum cortisol levels compared to placebo.
Meta-analysisA 3-arm trial found sustained-release ashwagandha lowered cortisol and stress
A randomized, placebo-controlled, 3-arm trial of 135 stressed adults found ashwagandha root extract sustained-release capsules significantly reduced Perceived Stress Scale scores and serum cortisol, with improved sleep quality and well-being.
Human RCTReviewed among plant adaptogens shown to reduce cortisol by up to 30%
A 2026 review of plant adaptogen mechanisms describes ashwagandha's withanolides as inhibiting PDE4D and regulating the HPA axis, with clinical studies confirming cortisol reductions of 14-30% and decreased fatigue.
ReviewA case-control study found copper-to-zinc ratio predicted a hair-loss condition
A case-control study of 180 women found zinc levels were significantly lower and the copper-to-zinc ratio was a statistically significant predictor in patients with chronic telogen effluvium compared to controls.
Case-control studyReviewed as an essential cofactor for neuronal metabolism and enzyme function
A 2025 review describes copper as an essential cofactor for neuronal metabolism, enzymatic functions and neurotransmission, while noting the body must tightly regulate copper homeostasis to avoid oxidative stress.
ReviewA randomized trial measured copper's relationship to antioxidant enzyme activity
A randomized controlled trial in cardiac surgery patients measured plasma copper, ceruloplasmin and superoxide dismutase activity alongside copper transport protein gene expression, illustrating copper's integrated role in the body's antioxidant enzyme systems.
Human RCTReviewed as the body's primary defense against mitochondrial oxidative stress
A 2025 review describes human manganese superoxide dismutase (MnSOD2) as a critical mitochondrial antioxidant enzyme that neutralizes reactive superoxide radicals, positioning it as the primary defense against mitochondrial oxidative stress.
ReviewRestoring zinc, copper and manganese levels re-activated antioxidant enzymes
A 2026 study found oral delivery of zinc, copper and manganese minerals to mineral-deficient rats restored SOD1 and SOD2 antioxidant enzyme expression in key organs, supporting these minerals' role as enzyme cofactors.
Animal studyReviewed as an essential trace element with widely varying dietary intake
A review of international manganese intake found modern dietary manganese has declined substantially compared to historical whole-grain-based diets, noting manganese's essential role in human health and development.
ReviewFrequently asked questions
What is CanPrev Thyroid-Pro Formula and what does it do?
It's a 7-nutrient thyroid support formula combining L-Tyrosine, Iodine, Ashwagandha, Selenium, Zinc, Copper and Manganese. It is used to help in the function of the thyroid gland and help prevent iodine deficiency.
How do I take it?
Adults 19 years and older take 2 capsules per day, or as directed by a health care practitioner.
How long does one bottle last?
Each bottle contains 60 vegan capsules - at 2 capsules per day that is a 30-day supply per bottle.
Who should not use it, or use caution?
Do not use if you are pregnant or breastfeeding. Consult a health care practitioner before use if you are taking other medications or natural health products, following a low-protein diet, or if you have a history of non-melanoma skin cancer. Avoid combining with alcohol or other medications or natural health products with sedative properties.
Is this the same product as 'Thyroid Plus Women'?
No - Thyroid-Pro Formula (NPN 80087065) is a distinct CanPrev product with its own ingredient panel and licence. Always check your own bottle's label and NPN.
Is it vegan and allergen-friendly?
Yes - the capsules are vegan, non-GMO, gluten-free, dairy-free and soy-free, with no artificial colours, flavours or preservatives.
Where do I buy it?
Use the orange button on this page - it takes you to the CanPrev listing on Amazon.ca for secure checkout and fast delivery.
Support your thyroid gland and help prevent iodine deficiency
Get CanPrev Thyroid-Pro Formula on Amazon.ca - fast, protected delivery.
Get it on Amazon.caNatural Health Product NPN 80087065. Thyroid-Pro Formula helps in the function of the thyroid gland and helps to prevent iodine deficiency. The research summaries below concern the individual ingredients generally and are educational - they are not claims about this finished product. Read and follow the label. Do not use if you are pregnant or breastfeeding. Consult a health care practitioner before use if you are taking other medications or natural health products, following a low-protein diet, or if you have a history of non-melanoma skin cancer. Avoid combining with alcohol or other medications or natural health products with sedative properties. Results may vary.
Important information
Safety Information
Cautions and Warnings: Do not use if you are pregnant or breastfeeding. Consult a health care practitioner prior to use if you are taking other medications or natural health products, following a low-protein diet, or if you have a history of non-melanoma skin cancer. Avoid taking with alcohol or other medications or natural health products with sedative properties. Do not use if the safety seal is broken. Keep out of reach of children.
Indications
Recommended Use or Purpose: Helps in the function of the thyroid gland. Helps to prevent iodine deficiency.
Ingredients
Medicinal ingredients (per 2 capsules): L-Tyrosine 450 mg, Iodine (Laminaria digitata/Ascophyllum nodosum) 200 mcg, Ashwagandha (root, Withania somnifera) standardized to 1.5% withanolides 100 mg, Selenium (Albion selenium glycinate complex) 100 mcg, Zinc (Albion zinc bisglycinate chelate) 7.5 mg, Copper (Albion copper bisglycinate chelate) 1.5 mg, Manganese (Albion manganese bisglycinate chelate) 500 mcg. Non-medicinal ingredients: Hypromellose (vegetable capsule), magnesium stearate. NMIs are subject to change - always read and follow the label for accurate ingredients, cautions and allergen information.
Directions
Recommended Dose (Adults 19 years and older): Take 2 capsules per day, or as directed by a qualified health care practitioner.
Legal Disclaimer
Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.







