Spirulina

Generally Safe ColorantNatural

Spirulina is a naturally derived colorant used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 20 supplements in the GoodSupp database. Spirulina is a blue-green algae used as a natural coloring agent.

20 Products use this
Generally Safe Safety rating
Colorant Category
Yes Natural origin

Safety Verdict: Generally Safe

This ingredient is rated generally safe for use in dietary supplements.

What is Spirulina?

Spirulina is a blue-green algae used as a natural coloring agent.

Common Names Spirulina
Type Colorant
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Spirulina used in supplements?

It is used to impart a blue or green color.

Role in supplements: Colorant — provides color for product identification. Does not affect efficacy.

Should you be concerned about Spirulina?

Generally no. Spirulina is considered safe for most people at typical supplement doses. Some individuals may want to be aware of minor sensitivities.

Low risk. Generally safe for most people in supplement amounts.

Top-rated products containing Spirulina

These 20 highest-scoring supplements in our database use Spirulina.

Mutant MUTANT Creatine Bytz – Sugar Free Chewable Creatine Tablets for On-the-Go Use – 5 g Monohydrate Per Day – 80 Tablets – Berried Alive
Mutant MUTANT Creatine Bytz – Sugar Free Chewable Creatine Tablets for On-the-Go Use – 5 g Monohydrate Per Day – 80 Tablets – Berried Alive
Product 100 Brand N/A
Shaklee Vita-Lea
Shaklee Vita-Lea
Product 87 Brand N/A
NaturesPlus Hema-Plex®, Iron with Essential Nutrients for Healthy Red Blood Cells, 10 Slow Release Tablets
NaturesPlus Hema-Plex®, Iron with Essential Nutrients for Healthy Red Blood Cells, 10 Slow Release Tablets
Product 85 Brand N/A
NaturesPlus Hema-Plex® Iron, 30 Slow-Release Tablets
NaturesPlus Hema-Plex® Iron, 30 Slow-Release Tablets
Product 85 Brand N/A
NaturesPlus Ultra Hair Plus with MSM, For Men and Women, 60 Tablets
NaturesPlus Ultra Hair Plus with MSM, For Men and Women, 60 Tablets
Product 85 Brand N/A
NaturesPlus AgeLoss Men's Multi, 90 Tablets
NaturesPlus AgeLoss Men's Multi, 90 Tablets
Product 85 Brand N/A
Ghost Burn, Guava Berry, 10.6 oz (300 g)
Ghost Burn, Guava Berry, 10.6 oz (300 g)
Product 85 Brand N/A
Shaklee Vitalizer Men
Shaklee Vitalizer Men
Product 85 Brand N/A
NaturesPlus Ultra II Daily Sustained Release
NaturesPlus Ultra II Daily Sustained Release
Product 84 Brand N/A
Natures Plus Multivitamin Liquid
Natures Plus Multivitamin Liquid
Product 84 Brand N/A
NaturesPlus Ultra II Daily Multi-Nutrient with Whole Foods, 180 Tablets
NaturesPlus Ultra II Daily Multi-Nutrient with Whole Foods, 180 Tablets
Product 83 Brand N/A
NaturesPlus Ultra II Daily Sustained Release
NaturesPlus Ultra II Daily Sustained Release
Product 83 Brand N/A
NaturesPlus Ultra II Daily Sustained Release
NaturesPlus Ultra II Daily Sustained Release
Product 83 Brand N/A
NaturesPlus Ultra II Daily
NaturesPlus Ultra II Daily
Product 83 Brand N/A
LIQUID BLENZ Sea Moss Tonic | Overall Body Enhancement & Wellbeing Support | Natural Herbal Supplement | 32 fl oz
LIQUID BLENZ Sea Moss Tonic | Overall Body Enhancement & Wellbeing Support | Natural Herbal Supplement | 32 fl oz
Product 83 Brand N/A
NaturesPlus Ultra Hair® Sustained Release, 60 Tablets
NaturesPlus Ultra Hair® Sustained Release, 60 Tablets
Product 82 Brand N/A
Maxi Health One Prenatal
Maxi Health One Prenatal
Product 82 Brand N/A
Natures Plus Ultra Hair
Natures Plus Ultra Hair
Product 82 Brand N/A
California Gold Nutrition Chewable Multivitamins with Probiotics, Enzymes, Vitamin A and Vitamin C for Children, Assorted Fruit, 60 Vegetarian Tablets
California Gold Nutrition Chewable Multivitamins with Probiotics, Enzymes, Vitamin A and Vitamin C for Children, Assorted Fruit, 60 Vegetarian Tablets
Product 81 Brand N/A
LifeSeasons Therapeutics, Rest-ZZZ™ Oral Strips, Mint, 30 Strips
LifeSeasons Therapeutics, Rest-ZZZ™ Oral Strips, Mint, 30 Strips
Product 81 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Spirulina safe in supplements?

Spirulina is rated generally safe for most people at amounts commonly found in supplements. While the overall safety profile is favorable, some individuals may experience minor sensitivities. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Spirulina and why is it in my supplement?

Spirulina is a blue-green algae used as a natural coloring agent. As a colorant, it provides visual identification for the product. While it doesn't affect efficacy, some consumers prefer supplements without artificial colors. It appears in 20 products in the GoodSupp database.

Is Spirulina natural or synthetic?

Spirulina is naturally derived, meaning it comes from natural sources such as plants, minerals, or animal products rather than being chemically synthesized. Natural-origin ingredients are preferred by many consumers, though it's important to note that 'natural' does not automatically mean 'safer' — safety depends on the specific substance, its purity, and the amount used. The safety rating assigned by GoodSupp is based on the ingredient's actual safety profile, not its origin.

Check Any Supplement's Ingredients

Scan a barcode with GoodSupp to instantly see safety ratings for every ingredient.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.