Common questions

Is Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels healthy?

Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels scores 75/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This supplement contains Vitamin D3, which is a beneficial and bioavailable form of vitamin D, essential for bone health and immune function.

How processed is Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels?

Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels is NOVA Group 3: Processed Foods.

Which ingredients drive Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels' score?

In Scout's ingredient-by-ingredient analysis, Vitamin D3 (as cholecalciferol) counts in its favor; organic flaxseed oil is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Natural Factors Vitamin D3 5000 IU (125 mcg) Supports Strong Bones Muscles and Immune Function 120 Soft Gels

Good

Analysis updated May 2026 · How Scout scores

$7.67 · 120 count · $0.06 / count

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At a glance

Beneficial ingredients 1

Harmful ingredients 1

Category Vitamins and Minerals

Summary

This supplement contains Vitamin D3, which is a beneficial and bioavailable form of vitamin D, essential for bone health and immune function. However, the inclusion of organic flaxseed oil, a seed oil high in omega-6 fatty acids, raises concerns due to its potential to promote inflammation and its susceptibility to oxidation. The product's processing level is moderate, but the presence of a seed oil impacts its overall formulation quality.

Key ingredients 2

Vitamin D3 (as cholecalciferol)

Good

Vitamin D3 is essential for maintaining healthy bones and supporting immune health, making it a beneficial nutrient in this supplement.

organic flaxseed oil

Very Bad

Organic flaxseed oil can contain compounds that may interfere with hormone balance or cause sensitivities in some individuals, which is why it is considered harmful here.

Processing

Group 3 · Processed

Processed Foods

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Amazon pricing & content

Amazon price as of Oct 10, 2026, 8:13 AM PDT. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

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