USP Purified Water

Safe SolventNatural

USP Purified Water is a naturally derived solvent used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. USP purified water is water that meets the purity standards set by the United States Pharmacopeia.

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

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is USP Purified Water?

USP purified water is water that meets the purity standards set by the United States Pharmacopeia.

Common Names USP Purified Water
Type Solvent
Origin Natural / Plant-derived
Safety Rating Safe

Why is USP Purified Water used in supplements?

It is used as a solvent to dissolve other ingredients.

Role in supplements: Solvent — dissolves or extracts active ingredients during manufacturing.

Should you be concerned about USP Purified Water?

No. USP Purified Water 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 USP Purified Water

These 20 highest-scoring supplements in our database use USP Purified Water.

Nature's Answer Black Cohosh Extract, Alcohol-Free, 40 mg, 1 fl oz (30 ml)
Nature's Answer Black Cohosh Extract, Alcohol-Free, 40 mg, 1 fl oz (30 ml)
Product 100 Brand N/A
Nature's Answer Marshmallow Root Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Marshmallow Root Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 100 Brand N/A
Nature's Answer Schisandra Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Schisandra Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 100 Brand N/A
Nature's Answer Peppermint Leaf, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Nature's Answer Peppermint Leaf, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Product 100 Brand N/A
Nature's Answer Schisandra Berry
Nature's Answer Schisandra Berry
Product 100 Brand N/A
Nature's Answer Rhodiola Root, Standardized Fluid Extract, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Nature's Answer Rhodiola Root, Standardized Fluid Extract, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Reishi, Mushroom Extract, Alcohol Free, 1 fl oz (30 ml)
Nature's Answer Reishi, Mushroom Extract, Alcohol Free, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Chasteberry Vitex Agnus Castus, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Chasteberry Vitex Agnus Castus, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Passionflower Aerial Parts, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Passionflower Aerial Parts, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Chaste Berry Vitex Agnus Castus, Fluid Extract, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Chaste Berry Vitex Agnus Castus, Fluid Extract, 2,000 mg, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Standardized American Ginseng Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Standardized American Ginseng Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer Lion's Mane, Mushroom Extract, Alcohol Free, 1 fl oz (30 ml)
Nature's Answer Lion's Mane, Mushroom Extract, Alcohol Free, 1 fl oz (30 ml)
Product 93 Brand N/A
Nature's Answer St. John's Wort Extract, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Nature's Answer St. John's Wort Extract, Alcohol-Free, 1,000 mg, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Licorice Root Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Licorice Root Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Liver Support Herbal Blend, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Liver Support Herbal Blend, Fluid Extract, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Yarrow Aerial Parts, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Yarrow Aerial Parts, Alcohol-Free, 2,000 mg, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Chamomile Extract, Alcohol Free, 1 fl oz (30 ml)
Nature's Answer Chamomile Extract, Alcohol Free, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Ashwagandha Root, Fluid Extract, Alcohol-Free, 2,000 mg, 2 fl oz (60 ml)
Nature's Answer Ashwagandha Root, Fluid Extract, Alcohol-Free, 2,000 mg, 2 fl oz (60 ml)
Product 87 Brand N/A
Nature's Answer Yucca, 2,000 mg, 1 fl oz (30 ml)
Nature's Answer Yucca, 2,000 mg, 1 fl oz (30 ml)
Product 87 Brand N/A
Nature's Answer Liquid L-Carnitine, 16 fl oz (480 ml)
Nature's Answer Liquid L-Carnitine, 16 fl oz (480 ml)
Product 87 Brand N/A
Related Ingredients
27% Alcohol Generally Safe 3-Butanediol Caution Alcohol Caution Alcohol Denat Caution Alcohol* Caution Alcohol Generally Safe Aloe Barbadensis (Aloe) Leaf Juice Generally Safe Aloe Barbadensis Leaf Juice* Generally Safe
Frequently Asked Questions
Is USP Purified Water safe in supplements?

Yes. USP Purified Water 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 USP Purified Water and why is it in my supplement?

USP purified water is water that meets the purity standards set by the United States Pharmacopeia. It appears in 20 products in the GoodSupp database.

Is USP Purified Water natural or synthetic?

USP Purified Water 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.

Download on App Store
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.