Vitamin D3
This product is generally safe
- Vitamin D: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
- 50% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyVitamin D and calcium are supported by strong evidence for maintaining bone density and supporting calcium absorption. However, the overall evidence coverage for this specific product profile is limited. These ingredients generally maintain a high safety profile when taken as directed.
AI-generated summary based on research evidence. Not medical advice.
Safety Alerts
Vitamin D: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Directions for Use: As a dietary supplement, take 1 Signature Vitamin D3 tablet daily, preferably with a meal.
Warnings & Precautions
Warnings: Consult your physician before using this product if you're taking any medications or are under a physician's care for a medical condition. Not for use by those under the age of 18 or by women that are pregnant, trying to get pregnant or nursing.
Not for use by those under the age of 18 or by women that are pregnant, trying to get pregnant or nursing.
Formulation Notes
Every product is transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust.
Additional Information
A signature is a promise. A symbol of your identity. Your mark on the world. Bodybuilding.com was founded on a single promise: Trust. It's who we are and it's in our blood. Our Signature line is built on the same promise. Every product is transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust. We create the highest quality supplements, so you can focus on leaving a mark of your own.
Manufactured in the USA in a GMP registered facility with domestic and international ingredients.
Supports bone health & immune function
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.