AOR Magnesium Potassium Aspartate 80mg - Energy & Relaxation Support | 120-240 Caps
Visit the AOR Store| Brand | AOR |
| Serving | 1 capsule twice daily (120 or 240 per bottle) |
| Licensed Natural Health Product | NPN 80085757 |
| Quality Standards | GMP-compliant facility |
| Country | Made in Canada  |
About this item
- MAGNESIUM AND POTASSIUM ASPARTATE, 80 MG COMBINED: Each capsule provides 30 mg of elemental magnesium (from 250 mg magnesium aspartate) and 50 mg of elemental potassium (from 213 mg potassium aspartate) - true aspartate salts, not a multi-source blend.
- SUPPORTS MUSCLE FUNCTION: Magnesium helps maintain proper muscle function, supporting comfortable, relaxed muscles as part of a daily routine.
- PROVIDES ELECTROLYTES: At the full recommended dose of 2 capsules daily, magnesium and potassium each provide electrolytes for the maintenance of good health.
- A RESEARCH-HISTORIED COMBINATION: Potassium-magnesium aspartate has been studied since the 1960s for its role in fatigue and muscle physiology - summarized in the research section below.
- CLEAN, SIMPLE LABEL: No non-medicinal ingredients declared beyond the vegan hypromellose capsule shell itself - no fillers, no binders.
- FLEXIBLE TWICE-DAILY DOSING WITH FOOD: Take 1 capsule twice daily with food, or as directed by a qualified health care practitioner.
- UP TO A 120-DAY SUPPLY: Choose 120 capsules (60-day supply) or 240 capsules (120-day supply), both at 2 capsules per day.
- TRUSTED CANADIAN QUALITY: Manufactured in a GMP-compliant Canadian facility by Advanced Orthomolecular Research (AOR), a licensed Natural Health Product, NPN 80085757.
Product description
Magnesium Potassium Aspartate 80 mg - Magnesium and Potassium for Energy, Relaxation and Muscle Function
A closer look at AOR Magnesium Potassium Aspartate 80 mg - 30 mg of elemental magnesium (from 250 mg magnesium aspartate) paired with 50 mg of elemental potassium (from 213 mg potassium aspartate) in every capsule, a true aspartate-salt combination studied since the 1960s for muscle function, energy and electrolyte balance. Licensed Natural Health Product, NPN 80085757. Licensed Natural Health Product NPN 80085757.
Un regard plus approfondi sur les Aspartates de Magnésium et de Potassium 80 mg d'AOR - 30 mg de magnésium élémentaire (de 250 mg d'aspartate de magnésium) associés à 50 mg de potassium élémentaire (de 213 mg d'aspartate de potassium) dans chaque capsule, une véritable combinaison de sels d'aspartate étudiée depuis les années 1960 pour la fonction musculaire, l'énergie et l'équilibre électrolytique. Produit de santé naturel homologué, NPN 80085757.
Why Magnesium Potassium Aspartate
Two true aspartate-salt electrolytes in one capsule - not a multi-source blend.
Backed by science
Magnesium and potassium are essential electrolytes, and their aspartate salt forms have a research history dating to the 1960s exploring roles in muscle function, fatigue and cellular energy metabolism. Research on both is summarized below.
The AOR difference
250 mg of magnesium aspartate plus 213 mg of potassium aspartate per capsule - 30 mg of elemental magnesium and 50 mg of elemental potassium (80 mg combined) - vegan, non-GMO, gluten-free and made in Canada.
Advanced Ingredients, Superior Results
Two real, distinct minerals - each bound to aspartic acid - working together to support muscle function and electrolyte balance.
Magnesium Aspartate
Magnesium bound to aspartic acid, a well-absorbed salt form studied since the 1960s for its role in muscle function, energy metabolism and electrolyte balance.
30 mg elemental magnesium (from 250 mg magnesium aspartate) per capsule
Potassium Aspartate
Potassium bound to aspartic acid, providing a key intracellular electrolyte studied for its role in normal muscle and nerve function and fluid balance.
50 mg elemental potassium (from 213 mg potassium aspartate) per capsuleAOR Magnesium Potassium Aspartate: Supplement Facts
Medicinal Ingredients (per 1 capsule)
- Magnesium (from 250 mg magnesium aspartate) elemental magnesium30 mg
- Potassium (from 213 mg potassium aspartate) elemental potassium50 mg
Non-Medicinal Ingredients: None declared. Capsule: Hypromellose.
Recommended Use or Purpose: Helps maintain muscle function. Source of an electrolyte / provides electrolytes for the maintenance of good health (at the full recommended dose of 2 capsules daily). Licensed Natural Health Product, NPN 80085757.
Recommended Dose (Adults 19 years and over): Take 1 capsule twice daily with food, or as directed by a qualified health care practitioner. Do not exceed the recommended dose unless directed by a health care practitioner.
Cautions and Warnings: Consult a health care practitioner before use if you are pregnant, nursing, or taking other supplements. Do not use if you are taking other potassium-containing supplements or salt substitutes, as this may lead to excessive potassium intake. Do not use if the safety seal is broken. Store tightly sealed in a cool, dry place. Known Adverse Reactions: some people may experience gastrointestinal disturbances such as diarrhea. Contains no wheat, gluten, corn, nuts, peanuts, sesame seeds, sulphites, mustard, soy, dairy, eggs, fish, shellfish or any animal byproduct.
Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.
Ingrédients médicinaux (par 1 capsule)
- Magnésium (de 250 mg aspartate de magnésium) magnésium élémentaire30 mg
- Potassium (de 213 mg aspartate de potassium) potassium élémentaire50 mg
Ingrédients non médicinaux : Aucun déclaré. Capsule : Hypromellose.
Usage ou fins recommandés : Aide à maintenir/soutenir un bon fonctionnement des muscles. Source d'électrolytes / Fournit des électrolytes pour le maintien d'une bonne santé (à la dose recommandée complète de 2 capsules par jour). Produit de santé naturel homologué, NPN 80085757.
Dose recommandée (Adultes de 19 ans et plus) : Prendre 1 capsule deux fois par jour avec de la nourriture, ou selon les recommandations d'un professionnel de la santé qualifié. Ne pas dépasser la dose recommandée sauf avis contraire d'un professionnel de la santé.
Mises en garde et précautions : Consulter un professionnel de la santé avant l'usage si vous êtes enceinte, si vous allaitez, ou si vous prenez d'autres suppléments. Ne pas utiliser avec d'autres suppléments ou succédanés du sel contenant du potassium. Ne pas utiliser si le sceau de sécurité est brisé. Conserver hermétiquement fermé dans un endroit frais et sec. Réactions indésirables connues : certaines personnes peuvent ressentir des malaises gastro-intestinaux tels que la diarrhée. Ne contient ni blé, ni gluten, ni maïs, ni noix, ni arachide, ni graine de sésame, ni sulfite, ni moutarde, ni soja, ni produit laitier, ni œuf, ni poisson, ni mollusque, ni crustacé ou produit d'origine animale.
NPN 80085757
Support energy, relaxation and comfortable muscle function
Get AOR Magnesium Potassium Aspartate on Amazon.ca - fast, protected delivery.
Get it on Amazon.caWhy AOR Magnesium Potassium Aspartate
A true two-mineral aspartate combination - supporting energy, relaxation and comfortable muscle function.
Muscle Function & Electrolyte Balance
Magnesium helps maintain proper muscle function; both magnesium and potassium provide electrolytes for the maintenance of good health at the full recommended dose.
A Real Aspartate-Salt Combination
Magnesium and potassium aspartate - not oxide, chloride or other inorganic salts - a combination with a research history dating to the 1960s.
Clean, Simple Label
No non-medicinal fillers declared beyond the vegan hypromellose capsule itself.
Premium Canadian Brand
AOR - Advanced Orthomolecular Research, since 1991. Vegan, non-GMO, gluten-free. NPN 80085757.
Inside every capsule
250 mg of magnesium aspartate (30 mg elemental magnesium) and 213 mg of potassium aspartate (50 mg elemental potassium) - two true aspartate-salt electrolytes, 80 mg combined.
How to use
Take 1 capsule twice daily with food
Adults (19 years and over) take 1 capsule twice daily with food, or as directed by a qualified health care practitioner.
Stay consistent
Take both doses daily as part of your routine to provide the full labelled 60 mg of elemental magnesium and 100 mg of elemental potassium.
Do not combine with other potassium sources
Do not use if you are taking other potassium-containing supplements or salt substitutes, as this may lead to excessive potassium intake.
Know your supply
The 120-capsule bottle is a 60-day supply and the 240-capsule bottle a 120-day supply, both at 2 capsules per day.
What the research says about magnesium, potassium and aspartate salts
Peer-reviewed studies and reviews on magnesium, potassium and their aspartate salt forms - shared for education, not as claims about this finished product. Magnesium Potassium Aspartate's claims are the statements authorized under its Natural Health Product licence, NPN 80085757.
A classic controlled trial found no exercise-capacity benefit from potassium-magnesium aspartate
In a double-blind, placebo-controlled trial, eight healthy men cycled to exhaustion after taking 6 g of potassium-magnesium aspartate or a placebo over 24 hours. Time to exhaustion, blood lactate, ammonia and free fatty acids were no different between treatments - an honest null result from the original human research on this exact combination.
Human RCTK-Mg-aspartate's classic 'antifatigue' mechanism: muscle fiber repolarization
Early electrophysiology work described how potassium-magnesium aspartate (described as an 'antifatigue agent' in the study title) affects the repolarization of striated muscle fibers - foundational mechanistic research behind why this specific mineral pairing was first studied for fatigue.
MechanismEarly occupational-health research on K,Mg-aspartate and fatigue
Part of a classic mid-century Japanese research series on potassium-magnesium aspartate administration and fatigue, this study measured aspartic acid concentration in the serum of rabbits given the combination - part of the original body of work that established interest in this mineral pairing.
Animal studyA rare paralysis disorder illustrates potassium's essential role in muscle excitability
A 2026 case report of hypokalemic periodic paralysis - transient muscle weakness tied to low blood potassium - illustrates just how directly potassium levels govern normal skeletal-muscle excitability. This describes a rare genetic condition, not a claim about this finished product.
Case reportCorrecting potassium and magnesium together relieved fatigue in a real clinical case
In a documented case of Gitelman syndrome (a rare inherited electrolyte-wasting condition), oral potassium-magnesium aspartate was used alongside other therapy to correct low blood potassium and magnesium; fatigue and limb pain fully resolved once electrolyte levels stabilized. A rare-disease case shown here as real evidence of the combination's pharmacology, not a claim about this product treating any condition.
Case reportPotassium helps govern the body's tissue water and electrolyte balance
In pregnant mice, tissue potassium and water content rose in skin and muscle in proportion to physiological needs, while a low-potassium diet impaired fetal growth - highlighting potassium's active, essential role in whole-body electrolyte and fluid balance, distinct from sodium's.
Animal studyHow magnesium acts on the sleep-wake system
A 2025 review describes how magnesium reduces nervous-system excitability, supports muscle relaxation, and regulates cellular clocks and energy balance - with magnesium deficiency linked to shorter, poorer-quality sleep.
ReviewA magnesium form improved sleep quality and next-day mood in a controlled trial
In an 80-person randomized, double-blind, placebo-controlled trial, magnesium L-threonate significantly improved objective deep-sleep and REM measures, next-day energy, mood and alertness compared to placebo over 21 days, and was well tolerated.
Human RCTMagnesium's block of a key brain receptor helps set the body's daily rhythm
In a fruit-fly model, disrupting magnesium's normal block of the NMDA receptor caused daily rest-activity rhythms to become disorganized - a mechanism linking magnesium directly to the circadian and sleep-related regulation shared across species.
MechanismPotassium and magnesium are managed together in the body's electrolyte system
A 2025 review of water and electrolyte homeostasis explains how the body handles sodium alongside potassium, magnesium and hydrogen together as a coupled system, particularly under physiological stress - underscoring why these minerals are often considered as a pair, not in isolation.
ReviewDiets with a poor sodium-to-potassium ratio also ran low on magnesium
In a survey of 921 industrial workers, a higher dietary sodium-to-potassium ratio was independently associated with lower intake of magnesium, calcium and several vitamins, and with lower overall diet quality - a real-world snapshot of how these electrolytes move together in typical diets.
Cross-sectional studyA combined potassium-magnesium supplement outperformed potassium alone in a clinical trial
In a double-blind, randomized trial of 60 hypertensive patients on chlorthalidone (a diuretic that depletes both potassium and magnesium), potassium-magnesium citrate reduced the medication's blood-sugar-raising side effect significantly more than potassium chloride alone - real clinical evidence for combining the two minerals rather than replacing potassium by itself.
Human RCTPotassium supplements are a recognized risk factor for drug-related hyperkalemia
A pharmacology review of common heart and blood-pressure medications (ACE inhibitors, ARBs and related drugs) identifies potassium supplements and salt substitutes as a documented risk factor that can push blood potassium to dangerous levels when combined with these medications.
ReviewWhy blood-pressure medications and potassium intake need monitoring together
A clinical review of ACE-inhibitor and ARB therapy in kidney disease explains that assessing a patient's potassium intake from diet, supplements or other drugs - alongside routine blood potassium monitoring - is a key step for preventing medication-related hyperkalemia.
ReviewA real prescribing case flags potassium supplements as an added risk alongside certain heart medications
A clinical pharmacy discussion of combined ACE-inhibitor and spironolactone therapy for heart failure notes that intake of potassium supplements is an additional risk factor for severe high blood potassium in patients already on these medications, reinforcing the need for caution when combining sources of potassium.
ReviewComparing how different magnesium supplements raise blood magnesium
In a 10-day trial in young women, magnesium oxide raised both ionized and total blood magnesium, while magnesium citrate and magnesium carbonate showed different, smaller patterns - showing that magnesium's form measurably affects short-term absorption and blood response.
Human studyTesting magnesium absorption with a modern gut-and-cell model
Using a standardized digestion model paired with intestinal cell monolayers, researchers found meaningful differences in magnesium transport and absorption-related gene activity between a marine-derived magnesium source and magnesium bisglycinate - a modern approach to comparing magnesium forms.
In vitro studyA marine-derived magnesium performed comparably to a highly bioavailable reference salt
Testing gastrointestinal digestion and intestinal cell transport, researchers found a marine-derived multimineral magnesium source was absorbed to a similar degree as magnesium chloride (a well-absorbed reference salt), and significantly better than magnesium oxide.
In vitro studyMagnesium's central role across the body's chemistry
A comprehensive review describes magnesium's role as a cofactor for more than 300 enzymatic reactions, including converting ATP to ADP for cellular energy, supporting nerve transmission and muscle relaxation via calcium-channel regulation, and maintaining bone and cardiovascular health.
ReviewMagnesium as one of the essential metal cofactors powering cellular energy production
A 2026 review of metal ions in mitochondria highlights magnesium alongside iron, copper, sodium, calcium and zinc as an essential cofactor in the electron transport chain and citric acid cycle - the core machinery that converts nutrients into usable cellular energy.
ReviewMagnesium's role in athletic muscle function and ATP-driven contraction
A review of nutrient needs in athletes describes magnesium as fundamental to muscle function, ATP production for muscle contraction, electrolyte balance and cardiovascular health, noting that physically active adults may have higher magnesium needs than sedentary people.
ReviewHow much does potassium intake actually lower blood pressure, dose for dose?
A dose-response meta-analysis of 10 randomized controlled trials found that each 50 mmol/day increase in potassium intake was linked to a 0.5 mmHg systolic blood pressure reduction in people without hypertension, and a substantially larger 5.3 mmHg reduction in people with hypertension.
Meta-analysisHigher potassium intake tracked with lower mortality risk in a large cohort
Following over 416,000 adults for a combined six million person-years, higher potassium intake and a lower sodium-to-potassium ratio were associated with reduced overall and cardiovascular mortality risk - with an updated meta-analysis of 42 studies supporting the same pattern.
Cohort studyRe-examining magnesium's upper dose threshold for digestive tolerability
Reviewing 10 studies published since magnesium's 350 mg/day tolerable upper intake level was set in 1997, researchers found most reported no significant difference in diarrhea between magnesium supplementation (128-1200 mg/day) and placebo - context for why this product's full labelled dose (60 mg/day) sits far below that threshold.
ReviewFrequently asked questions
What is AOR Magnesium Potassium Aspartate 80 mg?
A two-mineral formula providing 30 mg of elemental magnesium (from 250 mg magnesium aspartate) and 50 mg of elemental potassium (from 213 mg potassium aspartate) per capsule - 80 mg combined. It is a licensed Natural Health Product, NPN 80085757.
How do I take it?
Adults (19 years and over) take 1 capsule twice daily with food, or as directed by a qualified health care practitioner.
Why magnesium AND potassium together, as aspartates?
Magnesium and potassium are both essential electrolytes, and the aspartate salt form of each has been studied since the 1960s, particularly around muscle function and fatigue. Combining them reflects a real, historically-studied electrolyte pairing rather than a single isolated mineral.
What is the difference between the 120-capsule and 240-capsule bottles?
Both sizes contain the exact same formula and NPN (80085757) - the 120-capsule bottle is a 60-day supply and the 240-capsule bottle a 120-day supply, both at 2 capsules (1 twice daily) per day.
Is it vegan and allergen-friendly?
Yes - vegan hypromellose capsules with no non-medicinal ingredients declared beyond the capsule shell itself. Contains no wheat, gluten, corn, nuts, peanuts, sesame seeds, sulphites, mustard, soy, dairy, eggs, fish, shellfish or any animal byproduct.
Who should not use it?
Consult a health care practitioner before use if you are pregnant, nursing, or taking other supplements. Do not use if you are taking other potassium-containing supplements or salt substitutes, as this may lead to excessive potassium intake. Some people may experience gastrointestinal disturbances such as diarrhea.
Does it interact with any medications?
Potassium supplements can interact with certain blood-pressure medications (such as ACE inhibitors, ARBs or potassium-sparing diuretics) and raise the risk of excess blood potassium. If you take any prescription medication, consult a health care practitioner before using this product.
Where do I buy it?
Use the orange button on this page - it takes you to the AOR listing on Amazon.ca for secure checkout and fast delivery.
Support energy, relaxation and comfortable muscle function
Get AOR Magnesium Potassium Aspartate on Amazon.ca - fast, protected delivery.
Get it on Amazon.caNatural Health Product NPN 80085757. Magnesium Potassium Aspartate provides 30 mg of elemental magnesium (from 250 mg magnesium aspartate) and 50 mg of elemental potassium (from 213 mg potassium aspartate) per capsule. The research summaries below concern magnesium, potassium and their aspartate salt forms generally and are educational - they are not claims about this finished product. Read and follow the label. Consult a health care practitioner before use if you are pregnant, nursing, or taking other supplements, or if you are taking other potassium-containing supplements or salt substitutes. Results may vary.
Important information
Safety Information
Cautions and Warnings: Consult a health care practitioner before use if you are pregnant, nursing, or taking other supplements. Do not use if you are taking other potassium-containing supplements or salt substitutes, as this may lead to excessive potassium intake. Do not use if the safety seal is broken. Store tightly sealed in a cool, dry place. Known Adverse Reactions: some people may experience gastrointestinal disturbances such as diarrhea. Contains no wheat, gluten, corn, nuts, peanuts, sesame seeds, sulphites, mustard, soy, dairy, eggs, fish, shellfish or any animal byproduct.
Indications
Recommended Use or Purpose: Helps maintain muscle function. Source of an electrolyte / provides electrolytes for the maintenance of good health (at the full recommended dose of 2 capsules daily). Licensed Natural Health Product, NPN 80085757.
Ingredients
Medicinal Ingredients (per 1 capsule): Magnesium 30 mg (from 250 mg magnesium aspartate), Potassium 50 mg (from 213 mg potassium aspartate). Non-medicinal Ingredients: None declared. Capsule: Hypromellose. NMIs are subject to change - always read and follow the label.
Directions
Recommended Dose (Adults 19 years and over): Take 1 capsule twice daily with food, or as directed by a qualified health care practitioner. Do not exceed the recommended dose unless directed by a health care practitioner.
Legal Disclaimer
Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.