ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Vitamin D3 1000 IU

Vitamin D3 1000 IU

Bluebonnet Nutrition

#Vitamin D
85
Safety90
Efficacy80
Transparency85
Based on Examine, Wikipedia, and 23 other sources

Overview

Bluebonnet Nutrition Vitamin D3 1000 IU provides a clinically effective dose of cholecalciferol, the preferred form of Vitamin D, for maintaining bone health and supporting immune function. The 1000 IU dosage is well-suited for correcting deficiencies and maintaining optimal vitamin D levels, particularly when taken with dietary fat to enhance absorption. Regular supplementation can improve serum 25(OH)D levels, with benefits typically observed within weeks.

The Good

Supports bone health by regulating calcium levels.

Aids in supporting immune function.

Contains cholecalciferol (Vitamin D3), the more effective form of Vitamin D.

The Bad

Potential interactions with certain medications like anticonvulsants and cholestyramine.

Rare risk of hypercalcemia with excessive intake.

Individuals with hypercalcemia or kidney stones should use caution.

Is it for you?

Best For: Individuals seeking to support bone health, immune function, and overall well-being; those with mild Vitamin D insufficiency.

Skip If: You have hypercalcemia or a known allergy to any ingredients. Consult a doctor if taking other Vitamin D supplements or medications.

Ingredients Analysis

Vitamin D (as cholecalciferol from lanolin)

25 mcg

How to Use

Take one softgel daily with a meal, or as directed by a healthcare practitioner.

Frequency:

Daily

Best Time:

Anytime

When:

With a meal containing fat

Who Should Use This

Best For:

Individuals seeking to support bone health, immune function, and overall well-being; those with mild Vitamin D insufficiency.

Similar Products

Vitamin D3 by Pizer ProNutrients

Vitamin D3

Pizer ProNutrients

Vitamin D3 by MyTrition

Vitamin D3

MyTrition

Vitamin D3 by WeCare Naturally

Vitamin D3

WeCare Naturally

Vitamin D3 by Spring Valley

Vitamin D3

Spring Valley

Vitamin D3 by Higher Nature

Vitamin D3

Higher Nature

Vitamin D by Zarbee's Naturals Baby

Vitamin D

Zarbee's Naturals Baby

Recommended Articles

Herbal Boosters & COVID-19 Antivirals: Safe Mix?

Herbal Boosters & COVID-19 Antivirals: Safe Mix?

Herbal supplements may interact with COVID-19 antivirals, requiring careful consideration and further research.

2025's Top Vegan Protein Powders: A Buyer's Guide

2025's Top Vegan Protein Powders: A Buyer's Guide

In 2025, the best vegan protein powders are third-party tested, ensuring purity, safety, and high nutritional content.

Immune Supplements & Pregnancy Safety 2025

Immune Supplements & Pregnancy Safety 2025

The safety of immune-boosting supplements during pregnancy in 2025 hinges on supplement type, dosage, and health conditions.

Top Immune Support Ingredients: What Works?

Top Immune Support Ingredients: What Works?

Vitamin D, zinc, and echinacea are key ingredients in immune support supplements, backed by scientific evidence.