Electrolytes are minerals that carry an electrical charge in the body. The main electrolytes are Potassium, magnesium, sodium and calcium. These minerals help support normal fluid balance, nerve signalling, muscle contraction and general communication between cells. The transcripts reviewed also describe these minerals as key electrolytes involved in fluid balance and electrical signalling in the body.
Many people associate electrolyte powders only with hydration, exercise and sweating. These are important, but the full picture is bigger. Potassium and sodium help regulate fluid balance and cell signalling. Magnesium supports electrolyte balance, muscle function, nervous system function and normal energy metabolism. Calcium is widely known for bones and teeth, but it is also important for normal muscle function and normal neurotransmission. In Great Britain, only authorised nutrition and health claims may be used in commercial communications, and the GB Nutrition and Health Claims Register should be checked when making product claims [1].
Following Are Some Uses of Electrolytes
Potassium
Fluid balance; sodium-potassium balance; transmission across cell membranes; cell signalling; nerve signalling; normal electrical communication in the body; muscle contraction; normal muscle function; heart rhythm/electrical signalling; potassium balance is monitored carefully in heart, kidney and diabetic patients; supports electrolyte replacement when sweating, fasting, keto or low-carb; involved in digestive movement/peristalsis together with magnesium and calcium; mentioned in relation to numbness/tingling because nerve signals depend on calcium, sodium and potassium; involved in dehydration and proper signalling linked with fatigue.
Magnesium
Electrolyte balance; normal muscle function; muscle contraction; muscle relaxation; muscle cramps; enzyme cofactor activity; heart rhythm/electrical signalling with potassium; nervous system function; stabilising voltage across neuronal membranes; calming nerve over-firing; neurotransmitter function, including serotonin-related signalling mentioned in the transcript; mood swings/irritability; headaches linked in the transcript to muscle/blood vessel tension; blood vessel contraction/relaxation and blood flow; digestive enzyme support; digestion; constipation/peristalsis together with calcium and potassium; energy production; carbohydrate-to-energy metabolism mentioned in the context of mineral cofactors; dehydration and proper signalling linked with fatigue.
Calcium
Normal muscle function; muscle contraction; muscle relaxation; muscle cramps; nerve signalling; neurotransmission; numbness/tingling because nerve signals depend on calcium, sodium and potassium; signalling molecule; cellular signalling; electrolyte signalling; fluid balance through its charge; enzyme cofactor; digestive enzyme function; digestion; peristalsis with magnesium and potassium; blood vessel contraction/relaxation and blood-flow regulation; headaches/migraine-type discussion in the transcript; bones; teeth; immune system signalling; white blood cell multiplication/activation discussed in the transcript; physiological/biological activity when ionised.
Sodium
Main electrolyte for fluid balance; hydration; sodium follows water; blood volume; dizziness/light-headedness when sodium/fluid is low; electrolyte loss with dehydration; important during sweating and exercise; relevant during fasting, keto and low-carb; paired with chloride as salt; kidney filtration/reabsorption and fluid regulation; extracellular electrolyte balance; works with potassium across membranes; nerve signalling/cell signalling; muscle contraction and nerve signals mentioned together with calcium and potassium; replacement after sweating.
Sodium is normally abundant in the diet, especially from salt and processed foods, so only a small amount is usually required in electrolyte supplements to help maintain balance. NHS guidance states that adults should have no more than 6g of salt per day, including salt already present in food and salt added during or after cooking [7]. Shifa Supplements Electrolyte Powder provides 40 mg sodium per serving, making it a balanced formula rather than a salt-heavy electrolyte drink.
Marine Trace Minerals
Trace minerals are needed in small amounts. They act as enzyme cofactors and catalysts in enzymatic reactions, helping enzymes put substances together and break substances apart. They support general body function, work best in combination, and help avoid imbalances that may occur when only one or two isolated trace minerals are taken.
Marine trace minerals also provide broader mineral diversity and support important body processes, including immunity, antioxidant enzyme systems, collagen synthesis, wound healing, connective tissue formation, carbohydrate metabolism, insulin-related processes, blood sugar regulation, skin and cell regeneration, red blood cell support, and energy-related processes.
Why Citrate Forms Matter
Citrate also has an important role in kidney physiology. In medical settings, potassium citrate may be used to make urine less acidic and increase urinary citrate levels. The National Kidney Foundation notes that potassium citrate is commonly prescribed for calcium kidney stones to help increase urine pH and citrate levels [5]. A review on kidney-stone prevention also discusses potassium citrate therapy in recurrent calcium-stone prevention [6].
This does not mean an electrolyte supplement should be marketed as a kidney-stone treatment. It simply shows that citrate forms are well-recognised and physiologically relevant mineral salts.
Not All Electrolyte Powders Use the Same Mineral Sources
Some products rely mainly on salt, while others use basic mineral forms such as magnesium oxide or calcium carbonate. The transcript reviewed criticises magnesium oxide as poorly absorbed and calcium carbonate as a chalk/limestone-type calcium source that is not ideal for electrolyte-style calcium.
Magnesium citrate is a useful comparison point because the NIH Office of Dietary Supplements notes that magnesium forms that dissolve well in liquid, including citrate, lactate and chloride forms, are absorbed more completely than less soluble forms such as magnesium oxide and magnesium sulfate [2]. A randomised, double-blind study also concluded that magnesium citrate showed superior bioavailability after 60 days compared with other magnesium preparations studied [3].
Calcium source also matters. NIH ODS notes that calcium carbonate depends more on stomach acid, while calcium citrate is less dependent on stomach acid for absorption. NIH ODS also lists calcium lactate among other calcium forms used in supplements [4]. This supports the general point that not all calcium salts behave the same in the body.
Sweeteners are another important difference between electrolyte powders. Many electrolyte drinks use sugar, dextrose, maltodextrin, or artificial sweeteners such as sucralose to improve taste. Sugar and dextrose add carbohydrates and calories, while sucralose is often marketed as a zero-calorie sweetener.
Sucralose is made by modifying sucrose, where three hydroxyl groups are replaced by chlorine atoms, changing how the molecule behaves in the body [8].
However, some customers prefer to avoid sucralose because research has raised ongoing questions about artificial sweeteners, gut microbiome effects, and sucralose-related metabolites such as sucralose-6-acetate, which has been studied for potential genotoxic effects in laboratory models [9,10].
Therefore, it is always preferable to read the label before use.
Looking for a Premium Electrolyte Source That Is Zero Calories and Halal Certified?
Shifa Supplements Electrolyte Powder uses selected mineral sources: potassium citrate, magnesium citrate, calcium lactate, Himalayan salt and marine trace minerals.
Each serving provides:
| Mineral | Amount per serving |
|---|---|
| Potassium | 1000 mg |
| Magnesium | 120 mg |
| Calcium | 75 mg |
| Sodium | 40 mg |
| Marine trace minerals | 100 mg |
Shifa Supplements Electrolyte Powder vs Common Brands
| Mineral | Shifa source | Common alternative source |
|---|---|---|
| Potassium | Potassium citrate | Potassium chloride |
| Magnesium | Magnesium citrate | Magnesium oxide |
| Calcium | Calcium lactate | Calcium carbonate |
| Sodium | Himalayan salt | Standard table salt / sodium chloride |
| Marine trace minerals | Marine trace minerals from seawater | Often absent, or only basic electrolytes included |
Our Clean Formula Promise
At Shifa Supplements, we add nothing unnecessary — only what works. We never use maltodextrin, dextrose, glucose or sucralose. Where sweetness is needed, we use natural zero-calorie sweeteners such as erythritol and stevia.
Shop Shifa Supplements Electrolyte Powder
References
- Great Britain Nutrition and Health Claims Register. Register of nutrition and health claims that may be made in commercial communications in Great Britain.
https://www.gov.uk/government/publications/great-britain-nutrition-and-health-claims-nhc-register - NIH Office of Dietary Supplements. Magnesium — Health Professional Fact Sheet. This source notes that magnesium citrate, lactate, chloride and aspartate forms are absorbed more completely than magnesium oxide and magnesium sulfate.
https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/ - Walker AF, Marakis G, Christie S, Byng M. Mg citrate found more bioavailable than other Mg preparations in a randomised, double-blind study. Magnesium Research. 2003.
https://pubmed.ncbi.nlm.nih.gov/14596323/ - NIH Office of Dietary Supplements. Calcium — Health Professional Fact Sheet. This source explains that calcium carbonate is more dependent on stomach acid, while calcium citrate is less dependent on stomach acid.
https://ods.od.nih.gov/factsheets/Calcium-HealthProfessional/ - National Kidney Foundation. Calcium Kidney Stones. This source notes that potassium citrate is commonly prescribed for calcium kidney stones to help increase urine pH and citrate levels.
https://www.kidney.org/kidney-topics/calcium-kidney-stones - Gul Z, Monga M. Medical and Dietary Therapy for Kidney Stone Prevention. This review discusses potassium citrate in recurrent calcium-stone prevention.
https://pmc.ncbi.nlm.nih.gov/articles/PMC4265710/ - NHS. Salt in your diet. This source explains that adults should have no more than 6g of salt per day, including salt already present in food.
https://www.nhs.uk/live-well/eat-well/food-types/salt-in-your-diet/ - AlDeeb OA, Mahgoub H, Foda NH. Sucralose. This source describes sucralose as produced from sucrose when three chlorine atoms replace three hydroxyl groups.
https://pubmed.ncbi.nlm.nih.gov/23668410/ - Schiffman SS, et al. Toxicological and pharmacokinetic properties of sucralose-6-acetate. Journal of Toxicology and Environmental Health, Part B. 2023.
https://pubmed.ncbi.nlm.nih.gov/37246822/ - Aguayo-Guerrero JA, et al. Sucralose: From Sweet Success to Metabolic Controversies. This review discusses sucralose and metabolic/gut microbiome concerns.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10971371/