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RENAROY-K CRYSTALS is a pleasant – tasting oral systemic alkalizer containing potassium citrate and citric acid in a sugar-free base.

Each one sachet contains:

Potassium Citrate Monohydrate 3300 mg

Citric Acid Monohydrate 1002 mg

Each one sachet dose will provide 30 mEq potassium ion and is equivalent to 30 mEq bicarbonate (HCO3).

Inactive Ingredients: Lemon flavor, Sucralose and other ancillary ingredients as needed to ensure product stability.

Potassium Citrate Monohydrate has the chemical name: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tripotassium salt, monohydrate. Its chemical structure is as follows:


C6H5K3O7 ∙ H2O M.W. 324.41

Citric Acid Monohydrate has the chemical name: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monohydrate. Its chemical structure is as follows:


C6H8O7 ∙ H2O M.W. 210.14



Potassium citrate is absorbed and metabolized to potassium bicarbonate, thus acting as a systemic alkalizer. The effects are essentially those of chlorides before absorption and those of bicarbonates subsequently. Oxidation is virtually complete so that less than 5% of the potassium citrate is excreted in the urine unchanged.


RENAROY-K CRYSTALS is an effective alkalinizing agent useful in those conditions where long-term maintenance of an alkaline urine is desirable, such as in patients with uric acid and cystine calculi of the urinary tract, especially when the administration of sodium salts is undesirable or contraindicated. In addition, it is a valuable adjuvant when administered with uricosuric agents in gout therapy since urates tend to crystallize out of an acid urine. It is also effective in correcting the acidosis of certain renal tubular disorders where the administration of potassium citrate may be preferable. This product is highly concentrated, and when administered after meals and before bedtime, allows one to maintain an alkaline urinary pH around the clock, usually without the necessity of a 2 A.M. dose. This product alkalinizes the urine without producing a systemic alkalosis in the recommended dosage. It is highly palatable, pleasant tasting and tolerable, even when administered for long periods. Potassium citrate does not neutralize the gastric juice or disturb digestion.


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