Mannitol

Generally Safe SweetenerNatural

Mannitol is a naturally derived sweetener 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. Mannitol is a sugar alcohol used as a sweetener and filler.

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

Safety Verdict: Generally Safe

May cause digestive issues in sensitive individuals.

What is Mannitol?

Mannitol is a sugar alcohol used as a sweetener and filler.

Common Names Mannitol
Type Sweetener
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Mannitol used in supplements?

It is used as a sweetener, filler, and flow agent.

Role in supplements: Sweetener — adds sweetness to chewable or liquid supplements without adding significant calories.

Should you be concerned about Mannitol?

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

May cause digestive issues in sensitive individuals.

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

Top-rated products containing Mannitol

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

Life Extension Vitamin B12, Methylcobalamin, 500 mcg, 100 Vegetarian Lozenges
Life Extension Vitamin B12, Methylcobalamin, 500 mcg, 100 Vegetarian Lozenges
Product 100 Brand N/A
NOW Foods Alpha GPC, 300 mg, 60 Veg Capsules
NOW Foods Alpha GPC, 300 mg, 60 Veg Capsules
Product 100 Brand N/A
Source Naturals HydroxoCobalamin, Vitamin B12, Cherry, 1 mg, 120 Lozenges
Source Naturals HydroxoCobalamin, Vitamin B12, Cherry, 1 mg, 120 Lozenges
Product 100 Brand N/A
Source Naturals MethylCobalamin Vitamin B12, Cherry, 1 mg, 240 Lozenges
Source Naturals MethylCobalamin Vitamin B12, Cherry, 1 mg, 240 Lozenges
Product 100 Brand N/A
Nature's Bounty Biotin, Strawberry, 5,000 mcg, 60 Quick Dissolve Tablets
Nature's Bounty Biotin, Strawberry, 5,000 mcg, 60 Quick Dissolve Tablets
Product 100 Brand N/A
Nature's Craft Methyl B12, Cherry, 1,000 mcg, 90 Chewable Tablets
Nature's Craft Methyl B12, Cherry, 1,000 mcg, 90 Chewable Tablets
Product 100 Brand N/A
Terry Naturally BioActive Vitamin B™, 60 Capsules
Terry Naturally BioActive Vitamin B™, 60 Capsules
Product 100 Brand N/A
Source Naturals MethylCobalamin, Cherry, 1 mg, 60 Lozenges
Source Naturals MethylCobalamin, Cherry, 1 mg, 60 Lozenges
Product 100 Brand N/A
Zahler Junior D3™, Children's Vitamin D3 Formula, Orange, 25 mcg (1000 IU), 120 Chewable Tablets
Zahler Junior D3™, Children's Vitamin D3 Formula, Orange, 25 mcg (1000 IU), 120 Chewable Tablets
Product 100 Brand N/A
VitaWorks Kids, Zinc, Cherry, 120 Chewables
VitaWorks Kids, Zinc, Cherry, 120 Chewables
Product 100 Brand N/A
Protocol For Life Balance Ortho Alpha GPC, 300 mg, 60 Veg Capsules
Protocol For Life Balance Ortho Alpha GPC, 300 mg, 60 Veg Capsules
Product 100 Brand N/A
Planetary Herbals DGL, 380 mg, 200 Chewable Tablets
Planetary Herbals DGL, 380 mg, 200 Chewable Tablets
Product 100 Brand N/A
Nature's Life DGL Licorice Chewable, 100 Tablets
Nature's Life DGL Licorice Chewable, 100 Tablets
Product 100 Brand N/A
Source Naturals Coenzymated B-1, 60 Lozenges
Source Naturals Coenzymated B-1, 60 Lozenges
Product 100 Brand N/A
Source Naturals Coenzymated™ B-2, 60 Lozenges
Source Naturals Coenzymated™ B-2, 60 Lozenges
Product 100 Brand N/A
Source Naturals Vegan True MethylCobalamin, 1 mg, 60 Tablets
Source Naturals Vegan True MethylCobalamin, 1 mg, 60 Tablets
Product 100 Brand N/A
Douglas Laboratories Methyl B12 Plus, 90 Lozenges
Douglas Laboratories Methyl B12 Plus, 90 Lozenges
Product 100 Brand N/A
Source Naturals Vitamin D-3 Fast Melt, 2000 IU, 120 Tablets
Source Naturals Vitamin D-3 Fast Melt, 2000 IU, 120 Tablets
Product 100 Brand N/A
Zahler Junior D3 Advanced Vitamin D3 Formula Orange, 1000 IU, 250 Chewable Tablets
Zahler Junior D3 Advanced Vitamin D3 Formula Orange, 1000 IU, 250 Chewable Tablets
Product 100 Brand N/A
Klean Athlete Zinc- NSF Certified for Sport Natural Orange, 100 Chewable Tablets
Klean Athlete Zinc- NSF Certified for Sport Natural Orange, 100 Chewable Tablets
Product 100 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Mannitol safe in supplements?

Mannitol 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. May cause digestive issues in sensitive individuals. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Mannitol and why is it in my supplement?

Mannitol is a sugar alcohol used as a sweetener and filler. As a sweetener, it improves the taste of chewable, liquid, or powder supplements without adding significant calories. It appears in 20 products in the GoodSupp database.

Is Mannitol natural or synthetic?

Mannitol 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.

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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.