Fructooligosaccharide

Safe SweetenerNatural

Fructooligosaccharide is a naturally derived sweetener used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. Fructooligosaccharide (FOS) is a type of prebiotic fiber that can also act as a sweetener.

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

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Fructooligosaccharide?

Fructooligosaccharide (FOS) is a type of prebiotic fiber that can also act as a sweetener.

Common Names Fructooligosaccharide, FOS
Type Sweetener
Origin Natural / Plant-derived
Safety Rating Safe

Why is Fructooligosaccharide used in supplements?

It is used as a prebiotic and to add sweetness to supplements.

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

Should you be concerned about Fructooligosaccharide?

No. Fructooligosaccharide is widely regarded as safe for use in dietary supplements at typical levels. It has a long history of use and is accepted by major regulatory bodies.

No action needed. This ingredient is safe at amounts used in supplements.

Top-rated products containing Fructooligosaccharide

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

NOW Foods Solutions, Collagen Jelly Beauty Complex, Sweet Plum, 10 Jelly Sticks, 0.705 oz (20 g) Each
NOW Foods Solutions, Collagen Jelly Beauty Complex, Sweet Plum, 10 Jelly Sticks, 0.705 oz (20 g) Each
Product 96 Brand N/A
NOW Foods Solutions, Collagen Jelly Beauty Complex, Sweet Orange, 10 Jelly Sticks, 0.705 oz (20 g) Each
NOW Foods Solutions, Collagen Jelly Beauty Complex, Sweet Orange, 10 Jelly Sticks, 0.705 oz (20 g) Each
Product 96 Brand N/A
NaturVet Digestive Enzymes With Pre and Probiotic, For Dogs, Bacon & Chicken
NaturVet Digestive Enzymes With Pre and Probiotic, For Dogs, Bacon & Chicken
Product 95 Brand N/A
JungKwanJang Korean Red Ginseng Extract, Everytime, Lemon, 30 Liquid Sticks, 0.34 fl oz (10 ml) Each
JungKwanJang Korean Red Ginseng Extract, Everytime, Lemon, 30 Liquid Sticks, 0.34 fl oz (10 ml) Each
Product 93 Brand N/A
Lactofit Probiotic, Liver Support, 60 Sticks, (2 g) Each
Lactofit Probiotic, Liver Support, 60 Sticks, (2 g) Each
Product 87 Brand N/A
Lactofit Probiotics, Vegetable, 60 Sticks, (2 g) Each
Lactofit Probiotics, Vegetable, 60 Sticks, (2 g) Each
Product 87 Brand N/A
JungKwanJang Korean Red Ginseng Honey Paste Daily Stick, 30 Sticks, 0.35 oz (10 g) Each
JungKwanJang Korean Red Ginseng Honey Paste Daily Stick, 30 Sticks, 0.35 oz (10 g) Each
Product 83 Brand N/A
JungKwanJang Korean Red Ginseng Kid Tonic, Step 1, 3-4 Years Old, 30 Pouches, 0.51 fl oz (15 ml)
JungKwanJang Korean Red Ginseng Kid Tonic, Step 1, 3-4 Years Old, 30 Pouches, 0.51 fl oz (15 ml)
Product 83 Brand N/A
Carlson Bifido Blend Probiotics 25 Billion CFU
Carlson Bifido Blend Probiotics 25 Billion CFU
Product 83 Brand N/A
Carlson Probiotics 15 BIllion CFU
Carlson Probiotics 15 BIllion CFU
Product 83 Brand N/A
Carlson Probiotics 15 BIllion CFU
Carlson Probiotics 15 BIllion CFU
Product 83 Brand N/A
Lactovit Lactofit Probiotic, Bebe, 60 Sticks, (2 g) Each
Lactovit Lactofit Probiotic, Bebe, 60 Sticks, (2 g) Each
Product 81 Brand N/A
Dream Water Sleep Gummies, Snoozeberry, 60 Gummies
Dream Water Sleep Gummies, Snoozeberry, 60 Gummies
Product 79 Brand N/A
Lactofit Probiotic, Core, 60 Sticks, (2 g) Each
Lactofit Probiotic, Core, 60 Sticks, (2 g) Each
Product 77 Brand N/A
Lactofit Probiotic, Slim, 60 Sticks, (2 g) Each
Lactofit Probiotic, Slim, 60 Sticks, (2 g) Each
Product 74 Brand N/A
JungKwanJang Korean Red Ginseng Extract, Everytime, 30 Sticks, 0.34 fl oz (10 ml) Each
JungKwanJang Korean Red Ginseng Extract, Everytime, 30 Sticks, 0.34 fl oz (10 ml) Each
Product 73 Brand N/A
JungKwanJang Korean Red Ginseng Extract, Everytime, 10 Sticks, 0.34 fl oz (10 ml) Each
JungKwanJang Korean Red Ginseng Extract, Everytime, 10 Sticks, 0.34 fl oz (10 ml) Each
Product 73 Brand N/A
JUNG KWAN JANG Tonic Mild
JUNG KWAN JANG Tonic Mild
Product 72 Brand N/A
AZO Dual Protection, Urinary + Vaginal Support, 30 Once Daily Capsules
AZO Dual Protection, Urinary + Vaginal Support, 30 Once Daily Capsules
Product 71 Brand N/A
BSN Protein Crisp, Chocolate Crunch, 12 Bars, 1.94 oz (55 g) Each
BSN Protein Crisp, Chocolate Crunch, 12 Bars, 1.94 oz (55 g) Each
Product 68 Brand N/A
Related Ingredients
Acesulfame K Generally Safe Acesulfame Potassium Generally Safe Acesulfame-K Generally Safe Acesulfame-Potassium Generally Safe Allulose Generally Safe Apple Juice Concentrate Safe Beet Sugar Generally Safe Brown Rice Syrup Generally Safe
Frequently Asked Questions
Is Fructooligosaccharide safe in supplements?

Yes. Fructooligosaccharide is rated safe for use in dietary supplements at typical levels. This rating is based on regulatory assessments, published safety research, and its long history of use in the supplement industry. It is widely accepted by major regulatory bodies including the FDA and EFSA. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Fructooligosaccharide and why is it in my supplement?

Fructooligosaccharide (FOS) is a type of prebiotic fiber that can also act as a sweetener. 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 Fructooligosaccharide natural or synthetic?

Fructooligosaccharide 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.