Hercules Calcium
Image Alt: Renzo’s Hercules Calcium,vegan kids’ calcium with vitamins D3 & K2, grape flavor; 60 melty tabs; bottle and box side by side on white background and blue label
WhatToTrustTM Score
12345678910
Renzo’s®
Last updated: Nov 28, 2025
Renzo’s Hercules Calcium is a sugar-free, melt-in-your-mouth supplement designed to support strong bones and teeth in growing kids. With calcium from tribasic calcium phosphate, vegan Vitamin D3 for enhanced absorption, and Vitamin K2 to help direct calcium to bones, this formula provides essential nutrients for optimal skeletal development. Free from artificial ingredients, Hercules Calcium is the parent-approved way to support kids’ bone health. *
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Hercules Calcium Ingredients*
We only evaluate bioactive ingredients—the ones that truly contribute to a product's performance. Below is a list of bioactive ingredients found in this product.
For each ingredient, the quantity in parentheses indicates the amount per serving.
Vitamin D3 is a form of vitamin D that the body produces in response to sun exposure, essential for bone health and immune system function.
Calcium is a mineral essential for bone health and various bodily functions, often consumed through dairy products, fish, and leafy greens.
Vitamin K2 is used in supplements to support bone and heart health by aiding calcium metabolism, directing calcium to bones and teeth while preventing its buildup in arteries.
*These product and ingredient description statements have not been evaluated by the Food and Drug Administration (FDA). This product or its ingredients are not intended to diagnose, treat, cure or prevent any disease.
Product description and ingredient list are obtained from the product's brand/company website. Ingredient description is provided by our expert.
WhatToTrustTM scores are based on ingredient quality tests as well as pre-clinical and clinical testing to ensure that a product is scientifically developed and manufactured.
Breakdown of WhatToTrustTM Score for this product
WhatToTrustTM Science Score
5/10
Ingredient Quality Testing (Batch-to-Batch Testing)
Identity and Potency Testing
yes
Purity/Contaminant Testing
yes
Ingredient Validation Testing
Ingredient Validation Pre-clinical Testing (non-Canomiks test)
yes - (Product website does not mention pre-clinical testing, but some similar ingredients have been tested.)
CanTrust by Canomiks® Ingredient Validation Pre-clinical Testing and Certification
no
Ingredient Clinical Trial/Testing
yes - (Product website does not mention clinical trial, but similar ingredients 've been clinically tested.)
Borrowed Science
no
Product Validation Testing
Product Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Product Validation Pre-clinical Testing and Certification
no
Product Clinical Trial/Testing
no
Borrowed Science
no
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WhatToTrustTM Score
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