Potassium is the primary mineral that keeps your cells hydrated, your heartbeat rhythmic, and your muscles firing smoothly. Solaray Potassium-99 delivers 99 mg of elemental potassium bound to natural whole-rice amino acids—creating a bioavailable, stomach-friendly formula designed for daily cardiovascular and cellular replenishment.
Why Customers Choose Solaray Potassium 99:
✓Gentle Chelation: Reacted with whole brown rice amino acids rather than irritating mineral salts.
✓Pure & Non-Allergenic: Free of soy, dairy, yeast, gluten, and artificial additives.
✓Synergistic Herb Base: Infused with dried parsley leaf, chamomile flowers, and watercress for added botanical nourishment.
✓100% PCR Packaging: Bottled in eco-conscious post-consumer recycled resin.
How Potassium Works in Your Body (In Plain English)
Think of your body as an electrical engine. Every beat of your heart, every twitch of your eyelid, and every step you take relies on microscopic electrical currents flowing across your cell walls. Potassium is the spark plug inside the cell, while sodium works on the outside.
The Sodium-Potassium Battery
Every human cell runs a tiny motor called the Sodium-Potassium Pump (Na+/K+-ATPase). It pumps sodium out and pulls potassium in. This tiny chemical difference acts like a charged battery, allowing your nerves to send clear signals and preventing erratic firing that causes leg cramps and muscle twitches.
Healthy Blood Pressure Support
Excess sodium causes your body to retain fluid, raising the pressure inside your blood vessels like water in a narrow garden hose. Potassium signals your kidneys to release that excess sodium through urine and encourages blood vessel walls to relax, supporting healthy circulation.
Electrolyte Fluid Balance
Water goes where minerals flow. While sodium holds water outside your cells, potassium pulls water inside the cells where repair and energy metabolism happen. Without sufficient potassium, muscles tire quickly and cellular dehydration can set in.
The “99 mg Mystery”: Why Are Over-the-Counter Potassium Supplements Only 99 mg?
The daily recommended intake for potassium is between 2,600 mg and 3,400 mg per day for healthy adults, yet over-the-counter tablets are virtually all capped at 99 mg (roughly 2% of the Daily Value). Many people ask: “Is a 99 mg supplement even doing anything?”
The 99 mg limit is a strict safety standard established by the U.S. Food and Drug Administration (under 21 CFR § 201.306). Decades ago, high-dose prescription potassium salt tablets (often 750 mg or more of potassium chloride) were found to dissolve too quickly in one concentrated spot in the digestive tract. This localized burst of concentrated salt could irritate the delicate lining of the small intestine.
To protect consumers, federal regulations require that non-prescription potassium supplements provide no more than 99 mg of elemental potassium per unit. This ensures you can gently supplement and fill dietary gaps throughout the day without overwhelming your stomach or intestinal lining.
The Solaray Difference: Whole-Rice Amino Acid Chelate
Not all potassium supplements are created equal. Inexpensive supermarket potassium supplements often use raw potassium chloride, which tastes salty, can cause minor stomach upset, and breaks down rapidly.
Solaray bonds (chelates) elemental potassium to an amino acid complex derived from whole brown rice concentrate. Here is why that matters:
Mimics Whole Food: In natural foods like potatoes and spinach, minerals are bound to proteins and amino acids. Chelating potassium to rice amino acids creates a structure your digestive tract recognizes as food, allowing smooth, steady absorption.
Hypoallergenic Profile: Many chelating processes use soy, yeast, or dairy isolates. Solaray uses special brown rice concentrate that provides an exceptional amino acid profile without triggering common food sensitivities.
Herbal Nutrient Matrix: Each capsule includes a traditional whole-food base of parsley leaf, chamomile flower, and watercress, which naturally contain trace minerals, chlorophyll, and bioflavonoids.
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
Ingredients & Formulation Details
Other Ingredients: Vegetable Cellulose Capsule, Whole Rice Concentrate, Rice Flour, Magnesium Stearate, Parsley Leaf (Petroselinum crispum), Chamomile Flower (Matricaria recutita), Watercress Herb (Nasturtium officinale), and Citric Acid.
Suggested Use: Adults take 1 VegCap daily with a meal or a large glass of water (8 oz). Use only as directed by your healthcare practitioner.
Allergen Free Statement: Formulated without soy, yeast, milk, eggs, wheat, corn, gluten, artificial colors, or artificial preservatives. Lab-verified in Solaray’s state-of-the-art facility for identity, purity, and potency.
Dietary Synergy: Whole Foods + Supplementation
Supplements are designed to fill nutritional gaps, not replace a wholesome diet. According to federal dietary surveys, fewer than 3% of American adults meet their daily potassium targets due to high reliance on processed foods (which strip potassium and load sodium).
Pair your Solaray Potassium 99 mg capsule with these nutrient-dense food sources to reach optimal electrolyte equilibrium:
Food Source
Standard Serving
Potassium Content
Baked Potato (with skin)
1 medium potato
~925 mg
Avocado
1 whole avocado
~700 mg
Cooked Spinach
1 cup cooked
~840 mg
Wild Atlantic Salmon
6 ounces
~680 mg
Banana
1 medium banana
~420 mg
Important Medical Cautions, Contraindications, & Safety
Because potassium directly controls cardiac muscle firing and heart rate rhythm, maintaining balance is vital. Too much potassium in your bloodstream (a clinical condition called hyperkalemia) can be dangerous.
Always consult your physician before taking potassium supplements if you:
Have chronic kidney disease (CKD), kidney impairment, or reduced renal filtration (the kidneys filter out excess potassium).
Take ACE inhibitors (e.g., Lisinopril, Enalapril) or ARBs (e.g., Losartan, Valsartan) for hypertension.
Take potassium-sparing diuretics (e.g., Spironolactone, Triamterene, Amiloride).
Regularly use salt substitutes made with potassium chloride.
*Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always keep your licensed healthcare practitioner informed when introducing any mineral supplement.
Scientific References & Authoritative Citations
National Institutes of Health (NIH), Office of Dietary Supplements: "Potassium: Fact Sheet for Health Professionals." Available at: ods.od.nih.gov. (Provides clinical guidelines on Adequate Intakes, the sodium-potassium ratio, and renal regulation).
U.S. Food and Drug Administration (FDA): Code of Federal Regulations Title 21, Section 201.306 (21 CFR § 201.306) - "Potassium salt preparations intended for oral ingestion by man." (Details historical gastrointestinal mucosal ulceration risks with concentrated potassium salts and the regulatory framework for OTC 99 mg limits).
National Academies of Sciences, Engineering, and Medicine (NASEM): "Dietary Reference Intakes for Sodium and Potassium" (2019). Washington, DC: The National Academies Press. DOI: 10.17226/25353. (Updated clinical recommendations establishing potassium Adequate Intake targets of 3,400 mg/day for adult men and 2,600 mg/day for adult women).
American Heart Association (AHA): "How Potassium Can Help Control High Blood Pressure." Available at: heart.org. (Reviews the role of dietary potassium in lowering vascular resistance and accelerating urinary excretion of excess sodium).
Whelton, P. K., et al.: "2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults." Journal of the American College of Cardiology, 2018; 71(19):e127-e248. (Recommends increasing dietary potassium intake as a non-pharmacological strategy for cardiovascular wellness).
Frequently Asked Questions (FAQs)
Why should I choose Solaray Potassium 99 mg over cheap potassium chloride tablets?
Standard potassium chloride tablets can break down aggressively in the stomach and frequently cause nausea or digestive upset. Solaray’s potassium is chelated with whole brown rice amino acids, forming a gentle organic matrix that your stomach processes like food, ensuring smooth absorption and optimal gastrointestinal tolerance.
Can Solaray Potassium 99 mg help stop nighttime muscle cramps?
Yes. Muscle contractions rely directly on the balance between calcium, magnesium, sodium, and potassium. When potassium levels drop (often due to sweat, heat, or low intake), nerve endings become hypersensitive and trigger involuntary spasms. Taking 99 mg daily helps replenish baseline electrolyte stores to maintain normal muscle relaxation.
Is potassium beneficial if I am on a ketogenic or low-carb diet?
Very beneficial. When you cut carbohydrates, your insulin levels drop, prompting your kidneys to flush water, sodium, and potassium rapidly. This electrolyte depletion is a prime cause of the fatigue, brain fog, and muscle cramps known as the "keto flu." A daily 99 mg potassium supplement helps replenish cellular electrolytes smoothly.
When is the best time of day to take this supplement?
Take your capsule with a meal (such as breakfast or dinner) along with a tall 8-ounce glass of water. Consuming potassium with food mirrors natural mineral ingestion and ensures optimal nutrient absorption.
Why do the other ingredients include parsley, chamomile, and watercress?
Solaray incorporates a proprietary botanical base of parsley, chamomile, and watercress to supply natural co-factors, trace phytonutrients, and gentle soothing botanicals that work in harmony with the amino acid chelate.
