Phosphoric Acid

Generally Safe BufferSynthetic

Phosphoric Acid is a synthetic buffer 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. Phosphoric acid is a mineral acid used as a pH adjuster.

20 Products use this
Generally Safe Safety rating
Buffer Category
No Natural origin

Safety Verdict: Generally Safe

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

What is Phosphoric Acid?

Phosphoric acid is a mineral acid used as a pH adjuster.

Common Names Phosphoric Acid
Type Buffer
Origin Synthetic / Manufactured
Safety Rating Generally Safe

Why is Phosphoric Acid used in supplements?

It is used to adjust the pH of supplements.

Role in supplements: Buffer — maintains pH stability to protect active ingredients and reduce stomach irritation.

Should you be concerned about Phosphoric Acid?

Generally no. Phosphoric Acid 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 Phosphoric Acid

These 20 highest-scoring supplements in our database use Phosphoric Acid.

National Nutrition NoCarb
National Nutrition NoCarb
Product 95 Brand N/A
ProSupps Amino23 Liquid Collagen, Citrus Punch, 32 fl oz (960 ml)
ProSupps Amino23 Liquid Collagen, Citrus Punch, 32 fl oz (960 ml)
Product 90 Brand N/A
Force Factor L-Carnitine Liquid, Berry, 3,000 mg, 16 fl oz (473 ml)
Force Factor L-Carnitine Liquid, Berry, 3,000 mg, 16 fl oz (473 ml)
Product 87 Brand N/A
Force Factor L-Carnitine Liquid, Orange, 3,000 mg, 16 fl oz (473 ml)
Force Factor L-Carnitine Liquid, Orange, 3,000 mg, 16 fl oz (473 ml)
Product 87 Brand N/A
Vital Earth Minerals Cal-Mag Liquid Natural Tropical Fruit Flavor
Vital Earth Minerals Cal-Mag Liquid Natural Tropical Fruit Flavor
Product 87 Brand N/A
Lipton Green Tea - 6pk/16.9 fl oz Bottles
Lipton Green Tea - 6pk/16.9 fl oz Bottles
Product 87 Brand N/A
ALLMAX Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)
ALLMAX Liquid L-Carnitine 1500, Fruit Punch, 16 oz (473 ml)
Product 86 Brand N/A
HealthyCell REM Sleep, Cherry, 30 Gel Packs, 0.84 fl oz (25 ml) Each
HealthyCell REM Sleep, Cherry, 30 Gel Packs, 0.84 fl oz (25 ml) Each
Product 85 Brand N/A
Herbal Clean Ultra Eliminex Tropical Fruit Flavor
Herbal Clean Ultra Eliminex Tropical Fruit Flavor
Product 84 Brand N/A
MAV NUTRITION Ashwagandha
MAV NUTRITION Ashwagandha
Product 84 Brand N/A
Nutrex Research L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)
Nutrex Research L-Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)
Product 83 Brand N/A
Nutrex Research L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)
Nutrex Research L-Carnitine 3000, Strawberry Watermelon, 15.72 fl oz (465 ml)
Product 83 Brand N/A
Nutrex Research L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)
Nutrex Research L-Carnitine 3000, Passionfruit Guava, 15.72 fl oz (465 ml)
Product 83 Brand N/A
Nutrex Research L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)
Nutrex Research L-Carnitine 3000, Orange Mango, 15.72 fl oz (465 ml)
Product 83 Brand N/A
ALLMAX Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml)
ALLMAX Liquid L-Carnitine 1500, Blue Raspberry, 16 oz (473 ml)
Product 83 Brand N/A
HealthyCell Heart & Vascular Health, Strawberry, 30 Gel Packs, 0.84 fl oz (25 ml) Each
HealthyCell Heart & Vascular Health, Strawberry, 30 Gel Packs, 0.84 fl oz (25 ml) Each
Product 83 Brand N/A
GAT Sport, L-Carnitine, Blue Raspberry, 16 oz (473 ml)
GAT Sport, L-Carnitine, Blue Raspberry, 16 oz (473 ml)
Product 83 Brand N/A
GAT L-Carnitine, Amino Acid, Mixed Berry, 3,000 mg, 16 oz (473 ml)
GAT L-Carnitine, Amino Acid, Mixed Berry, 3,000 mg, 16 oz (473 ml)
Product 83 Brand N/A
Ronnie Coleman Vital Edition, L-Carnitine XS 3000, Pink Lemonade, 16 fl oz (473.28 ml)
Ronnie Coleman Vital Edition, L-Carnitine XS 3000, Pink Lemonade, 16 fl oz (473.28 ml)
Product 83 Brand N/A
Ronnie Coleman Vita Edition, L-Carnitine XS 3000, Orange Smash, 16 fl oz (473.28 ml)
Ronnie Coleman Vita Edition, L-Carnitine XS 3000, Orange Smash, 16 fl oz (473.28 ml)
Product 83 Brand N/A
Related Ingredients
Aminomethyl Propanol Caution Ammonium Hydroxide Caution Anhydrous Citric Acid Safe Baking Soda Safe Dipotassium Phosphate Generally Safe Disodium Phosphate Generally Safe Fumaric Acid Generally Safe L-Tartaric Acid Generally Safe
Frequently Asked Questions
Is Phosphoric Acid safe in supplements?

Phosphoric Acid 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 Phosphoric Acid and why is it in my supplement?

Phosphoric acid is a mineral acid used as a pH adjuster. It appears in 20 products in the GoodSupp database.

Is Phosphoric Acid natural or synthetic?

Phosphoric Acid is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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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.