PlainVitamins

Cysto Renew

by Douglas Laboratories · capsule · 120 capsules

  • On the market (NIH)
  • UPC 3 10539 03925 0
  • DSLD label 232584
  • Serving 4 capsules
  • 30 servings

Cysto Renew by Douglas Laboratories lists 9 ingredients, 6 with an amount per serving of 4 capsules, such as 100 mg of magnesium, 600 mg of chondroitin sulfate, 500 mg of quercetin dihydrate and 250 mg of L-arginine; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2020.

What is in Cysto Renew?

Each row as the label prints it, per serving of 4 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Cysto Renew: Supplement Facts rows against the market (DSLD label 232584, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Amino Acid ChelateMagnesium (Form: as Magnesium Amino Acid Chelate)100 mg24%Magnesium in Cysto Renew against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Chondroitin Sulfate600 mgChondroitin Sulfate in Cysto Renew against 950 products600 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.600 mg

Higher than 58% of 950 products listing chondroitin sulfate (median 400 mg).

Quercetin dihydrate500 mgQuercetin in Cysto Renew against 1,548 products500 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.500 mg

Higher than 84% of 1,548 products listing quercetin (median 100 mg).

L-Arginine250 mgArginine in Cysto Renew against 1,455 products250 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.250 mg

66% of 1,455 products listing arginine give more (median 500 mg).

Bromelainas Pineapple160 mgBromelain in Cysto Renew against 1,337 products160 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.160 mg

Higher than 71% of 1,337 products listing bromelain (median 50 mg).

L-Citrulline150 mgCitrulline in Cysto Renew against 1,209 products0.15 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.15 g

95% of 1,209 products listing citrulline give more (median 3 g).

Proprietary Blend300 mg
Rhodiola rosea extractas RosavinsRhodiola rosea extract (Form: standardized to 3% Rosavins) PlantPart: root Genus: Rhodiola Species: roseain the blend, no amount given
Lemon Balm extractin the blend, no amount given
Aloe verain the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 232584 (entered August 23, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 95% of the 1,209 products that print an amount of citrulline list more than its 0.15 g of L-citrulline (filed by NIH under citrulline) (median 3 g).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

1 product lists the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Usage: As a dietary supplement, adults take 4 capsules daily or as directed by your health professional.
Warnings
Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 232584.

What else is on the label?

Other ingredients: Gelatin, Microcrystalline Cellulose, Vegetable Stearate, Silica.

How many labels does Cysto Renew have?

2 labels are on file under this name since July 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 232584 (current) Entered August 23, 2020 · on the market · 120 capsules · UPC 3 10539 03925 0
  2. Label 230638 Entered July 23, 2020 · off the market May 18, 2020 · 120 capsules · UPC 3 10539 03925 0

DSLD also links this label to: Cysto Renew Bladder Support (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Douglas Laboratories (distributor), Pittsburgh, PA. All Douglas Laboratories products.

Where next?