NOW Foods Potassium Citrate 99 mg Veg Capsules Review

Potassium Citrate 99 mg Veg Capsules from NOW Foods, sold as a bottle of 180 veg capsules for $14.99 with 180 servings. The product is labeled Essential Mineral and sits in the Minerals and Potassium categories. Listed benefits are support for electrolyte balance and normal pH, and proper muscular contraction. The page states that potassium is an essential mineral widely found in fruits and vegetables, is critical for normal whole-body and cellular fluid levels, and helps maintain acid-base balance. It also says potassium supports muscle contraction, healthy heart function, and nerve impulse transmission. The page describes potassium citrate as a well absorbed and highly bioavailable form of potassium. Each capsule supplies 99 mg of potassium from 310 mg of potassium citrate, which is 2% of the daily value. Suggested use is 1 capsule 1 to 5 times daily, preferably with food, stored in a cool, dry place after opening. The label cautions that it is for adults only and that people who are pregnant or nursing, take medications affecting kidney function or blood potassium, or have heart, kidney or diabetes conditions should consult a physician. The product is listed as Kosher, Intertek GMP certified, Vegan and Halal. The page notes that natural color variation may occur and that the company has been family owned since 1968.

Product Focus: Blood PressureAlso covers:HeartKidneys
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$3
Study, Trial or Testing Result SummaryMembersHuman studies

This product gives 99 milligrams of potassium a day. That is the 30 millimoles a day that blood pressure in the trial that tested a daily pill, so the studies may apply at this dose. …

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Review Totals and SummaryMembers33,104 reviews
33,104 reviews · IHerb 18,985 · Covenanthealthproducts 6,450 · Hihealth 6,450 · Vitacost 1,091 · EBay 105 · Swanson Vitamins 15 · Fruitful Yield 3

This potassium citrate supplement from NOW Foods receives widespread feedback from customers, accumulating approximately 20204 ratings across different retailers. Buyers generally find it to be a -quality, effective, and -value product, particularly appreciating its gentle nature and of use. **Reported :** customers experience noticeable from taking these capsules regularly. …

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Biohacker SummaryMembersWhat our biohacker panel says

of the panel or uses potassium, and ten spoke about it as the main ingredient. The common reasons are blood pressure, hydration and electrolyte balance alongside sodium and magnesium, and support during fasting or exercise, with one panelist also pointing to it for urinary citrate to block crystal formation, one for water retention and bloating, and one for blood sugar for sleep. …

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RAL SummaryMembersThe tier and why

Three reviews of trials, the largest covering about 35,000 adults, show that potassium blood pressure, especially in people with blood pressure. …

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More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Cardiovascular system, Kidneys and urinary system. Combine with and possible side are for members.

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Supplement FactsPotassium 99 mg
Supplement Facts
Serving Size 1 Veg Capsule
Servings Per Container 180
Amount Per Serving% Daily Value
Potassium (from 310 mg Potassium Citrate)99 mg2%

Other ingredients: Microcrystalline Cellulose, Hypromellose (cellulose capsule), Stearic Acid (vegetable source) and Silicon Dioxide. Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Directions: Take 1 capsule 1 to 5 times daily, preferably with food.

Label source: Nowfoods · Report a label change

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Graded October 24, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.