Reb A

Generally Safe SweetenerNatural

Reb A 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. A purified steviol glycoside extracted from the stevia plant.

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

Safety Verdict: Generally Safe

Some individuals may experience a bitter aftertaste.

What is Reb A?

A purified steviol glycoside extracted from the stevia plant.

Common Names Reb A, Rebaudioside A
Type Sweetener
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Reb A used in supplements?

It is used as a natural, low-calorie sweetener.

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

Should you be concerned about Reb A?

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

Some individuals may experience a bitter aftertaste.

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

Top-rated products containing Reb A

These 20 highest-scoring supplements in our database use Reb A.

Trace Multi-Magnesium Powder Rainbow Sherbet, 30 Servings
Trace Multi-Magnesium Powder Rainbow Sherbet, 30 Servings
Product 95 Brand N/A
Trace Multi-Magnesium Powder Tropical Watermelon, 30 Servings
Trace Multi-Magnesium Powder Tropical Watermelon, 30 Servings
Product 95 Brand N/A
Trace Liquid Mineral Supplement, Cal/Mag/Zinc, Strawberry, 30 fl oz (887 ml)
Trace Liquid Mineral Supplement, Cal/Mag/Zinc, Strawberry, 30 fl oz (887 ml)
Product 88 Brand N/A
Trace Liquid Cal/Mag/Zinc, Piña Colada, 30 fl oz (887 ml)
Trace Liquid Cal/Mag/Zinc, Piña Colada, 30 fl oz (887 ml)
Product 88 Brand N/A
Trace Liquid Mineral Supplement, Cal/Mag/Zinc, Pina Colada, 16 fl oz (473 ml)
Trace Liquid Mineral Supplement, Cal/Mag/Zinc, Pina Colada, 16 fl oz (473 ml)
Product 88 Brand N/A
Nutri NEURO-NAC™, Glycine & NAC Ethyl Ester, 60 Vegan Capsules
Nutri NEURO-NAC™, Glycine & NAC Ethyl Ester, 60 Vegan Capsules
Product 87 Brand N/A
Nutri Glynac-ET, 60 Vegan Capsules
Nutri Glynac-ET, 60 Vegan Capsules
Product 87 Brand N/A
Nutri Neuro-NAC Extra Strength N-Acetyl L-Cysteine Ethyl Ester, 375 mg, 60 Vegan Capsules
Nutri Neuro-NAC Extra Strength N-Acetyl L-Cysteine Ethyl Ester, 375 mg, 60 Vegan Capsules
Product 87 Brand N/A
Trace Hydro Pak Sport, Strawberry Coconut, 30 Stick Packs, 0.28 oz (8 g) Each
Trace Hydro Pak Sport, Strawberry Coconut, 30 Stick Packs, 0.28 oz (8 g) Each
Product 86 Brand N/A
Trace Hydro Pak Sport, Raspberry Lemonade, 30 Stick Packs, 0.28 oz (8 g) Each
Trace Hydro Pak Sport, Raspberry Lemonade, 30 Stick Packs, 0.28 oz (8 g) Each
Product 86 Brand N/A
Trace Hydro Pak Sport, Watermelon, 30 Stick Packs, 0.28 oz (8 g) Each
Trace Hydro Pak Sport, Watermelon, 30 Stick Packs, 0.28 oz (8 g) Each
Product 86 Brand N/A
Trace Keto Electrolyte Powder, Strawberry Lemonade, 13 oz (369 g)
Trace Keto Electrolyte Powder, Strawberry Lemonade, 13 oz (369 g)
Product 77 Brand N/A
Trace Keto Electrolyte Powder, Orange, 13 oz (369 g)
Trace Keto Electrolyte Powder, Orange, 13 oz (369 g)
Product 77 Brand N/A
Trace Hydro Pak Keto, Orange, 30 Stick Packs, 0.24 oz (6.7 g) Each
Trace Hydro Pak Keto, Orange, 30 Stick Packs, 0.24 oz (6.7 g) Each
Product 77 Brand N/A
Trace Hydro Pak Keto, Strawberry Lemonade, 30 Stick Packs, 0.24 oz (6.7 g) Each
Trace Hydro Pak Keto, Strawberry Lemonade, 30 Stick Packs, 0.24 oz (6.7 g) Each
Product 77 Brand N/A
Trace Hydro Pak Keto, Lemon Lime, 30 Stick Packs, 0.24 oz (6.7 g) Each
Trace Hydro Pak Keto, Lemon Lime, 30 Stick Packs, 0.24 oz (6.7 g) Each
Product 77 Brand N/A
Trace PowerPak + Immunity, Grapefruit, 30 Stick Packs, 0.22 oz (6.2 g) Each
Trace PowerPak + Immunity, Grapefruit, 30 Stick Packs, 0.22 oz (6.2 g) Each
Product 76 Brand N/A
Trace Power Pak, Zero Sugar, Orange Mango, 30 Packets, 0.22 oz (6.1 g) Each
Trace Power Pak, Zero Sugar, Orange Mango, 30 Packets, 0.22 oz (6.1 g) Each
Product 75 Brand N/A
Trace Power Pak, Tangerine, 30 Stick Packs, 0.22 oz (6.1 g) Each
Trace Power Pak, Tangerine, 30 Stick Packs, 0.22 oz (6.1 g) Each
Product 75 Brand N/A
Trace Power Pak, Cherry Lime, 30 Packets, 0.22 oz (6.1 g) Each
Trace Power Pak, Cherry Lime, 30 Packets, 0.22 oz (6.1 g) Each
Product 75 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Reb A safe in supplements?

Reb A 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. Some individuals may experience a bitter aftertaste. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Reb A and why is it in my supplement?

A purified steviol glycoside extracted from the stevia plant. 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 Reb A natural or synthetic?

Reb A 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.