Common questions

Is Vitamin D3 1000IU healthy?

Vitamin D3 1000IU scores 88/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. This Vitamin D3 supplement contains colecalciferol, a high-quality and well-absorbed form of Vitamin D, essential for bone health and immune function.

How processed is Vitamin D3 1000IU?

Vitamin D3 1000IU is NOVA Group 1: Unprocessed or Minimally Processed Foods.

Which ingredients drive Vitamin D3 1000IU's score?

In Scout's ingredient-by-ingredient analysis, Colecalciferol counts in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Vitamin D3 1000IU

Name: Vitamin D3 1000IU
Brand: Ostelin

Ostelin

Excellent

Analysis updated August 2026 · How Scout scores

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At a glance

Beneficial ingredients 1

Harmful ingredients 0

Owned by Sanofi

Category Vitamins and Minerals

Summary

This Vitamin D3 supplement contains colecalciferol, a high-quality and well-absorbed form of Vitamin D, essential for bone health and immune function. The product is minimally processed with no harmful additives, making it an excellent choice for maintaining adequate vitamin levels.

Key ingredients 1

Colecalciferol

Very Good

Colecalciferol, also known as Vitamin D3, is essential for calcium absorption and bone health. It is a high-quality active ingredient that supports immune function and overall health. This form of Vitamin D is well-absorbed and effective in maintaining adequate vitamin levels in the body.

Benefits

Vitamin D3 supports bone health, immune function, and may improve mood and cognitive function.

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

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