Magnesium Oil USP
Price range: $9.99 through $59.99
What Is Magnesium Oil USP?
Magnesium Oil USP is a concentrated liquid magnesium chloride solution applied directly to the skin. The “USP” designation means it meets United States Pharmacopeia standards, the same pharmaceutical purity used in hospitals and dialysis centers.
Why Choose Transdermal Magnesium Oil USP?
Magnesium Oil USP is a concentrated liquid magnesium chloride solution applied directly to the skin. Despite its name, it contains no actual oil; it gets its name from the slightly oily appearance it takes on contact with skin. The “USP” designation means it meets United States Pharmacopeia standards, the same pharmaceutical purity used in hospitals and dialysis centers.
Unlike oral magnesium supplements, topical magnesium bypasses the digestive system, delivering magnesium directly to cells through the skin, a method known as transdermal absorption.
Why USP Grade Matters
Not all magnesium chloride is created equal. Natural sources like oceans, brine lakes, and underground wells are all vulnerable to heavy metals, bacteria, and environmental pollutants. Health & Wisdom’s magnesium chloride is:
- Tested and purified to remove heavy metals and contaminants
- USP (pharmaceutical) grade; the same purity standard used in dialysis solutions for kidney patients
- Sourced from the Permian Seabed, an ancient lake deep beneath the southwestern USA
- No other purity level is appropriate for direct skin absorption than USP-grade topical magnesium.
Watch Video – H&W – Tropical Magnesium 4×5 V1.mp4
Did You Know?Â
Up to 90% of Americans are magnesium deficient, yet oral supplements are poorly absorbed and can cause gastrointestinal distress. Transdermal magnesium offers a faster, gentler alternative that:
- Absorbs directly through the skin into the bloodstream
- Bypasses digestion, so no laxative effect
- Reaches cells faster than oral supplementation
- Is clinically shown to boost immune defense, support heart and bone health, promote psychological well-being, and more
In fact, your body runs on magnesium, it’s involved in hundreds of biological functions, from how your muscles move, to how well you sleep, to how calmly you handle stress. The trouble is, low levels of magnesium rarely announce themselves clearly. Fatigue, tension, restless nights — these get chalked up to a busy life or getting older, not a missing mineral. It’s why magnesium has earned its place as a quiet, reliable staple for everyday wellness.
Key Benefits of Magnesium Oil
Regular use of transdermal magnesium oil may help with:
- Muscle pain and cramps. Provides fast relief when massaged directly into sore areas
- Sleep quality. Supports the relaxation phase of muscles and the nervous system
- Stress and anxiety. Low cellular magnesium is linked to tension, irritability, and mood disruption
- Joint stiffness. Supports anti-inflammatory pathways at the cellular level
- Headaches. Commonly associated with magnesium deficiency
- Skin health. May support dry skin, psoriasis, and rosacea when applied topically
- Oral health. Can help reduce plaque and tighten gums
Who Is Most Likely to Be Running Low on Magnesium?
People Who Exercise Regularly.
Intense physical activity draws magnesium out of your cells. The harder and more frequently you train, the faster your magnesium stores get used up.
Those Dealing with Chronic Stress.
Stress burns through magnesium, and without enough of it, your body struggles to regulate stress hormones. The two feed each other in a cycle that’s hard to break.
Women Who Are Pregnant or Breastfeeding.
Magnesium needs rise significantly during pregnancy and nursing. Some research even suggests that magnesium supplementation supports fetal growth, maintains healthy muscle/nerve function, and may reduce risks of pre-eclampsia.
Anyone Taking Regular Medications.
A surprising number of commonly prescribed and over-the-counter drugs, including certain antacids, water pills, and antibiotics, quietly deplete magnesium as a side effect.
People Eating a Typical Western Diet.
Heavily processed foods, excess sugar, and soil that’s been farmed for decades all contribute to lower magnesium intake, even in people who think they eat well.
Older Adults.
The body’s ability to absorb magnesium naturally decreases with age, putting older adults at greater risk for deficiency and its effects on bone density, cardiovascular health, and cognitive function.
How Does Topical Magnesium Oil Work?
Oral magnesium must pass through the digestive system, a process that limits absorption and can cause laxative effects at higher doses. Topical magnesium oil bypasses this entirely.
When sprayed or massaged onto the skin, magnesium chloride is absorbed transdermally, allowing it to reach muscles and connective tissue directly. This makes it particularly effective for localized muscle soreness, tension, and cramps with relief that can come within minutes of application. Magnesium oil can also be used as a foot soak or bath soak for full-body absorption.
Our magnesium oil is sourced from the Permian Seabed and purified to USP (United States Pharmacopeia) standards — the same standards applied to pharmaceutical-grade ingredients used in hospitals and dialysis centers. This ensures it is free from heavy metals and contaminants, which is especially important for daily topical use. With 3,182 mg of elemental magnesium per ounce, it delivers one of the highest concentrations available.
The Science Behind Magnesium
The science behind magnesium is both extensive and striking. Recently, research has linked low magnesium levels to a number of chronic diseases, including:
- Alzheimer’s disease
- Insulin resistance
- Type 2 diabetes
- Hypertension
- Cardiovascular disease
A 2025 review published in PubMed identifies magnesium as a critical component in hundreds of cellular processes, including:
- Regulating energy metabolism
- Regulating nerve and muscle functions
- Supporting heart and bone health
- Boosting immune defense
- Promoting psychological well-being
The research on magnesium’s day-to-day benefits is equally compelling. Randomized, controlled studies found that magnesium supplementation:
- Supports falling asleep quickly
- Significantly improves length of sleep
- Significantly improves sleep quality
- Improves melatonin and cortisol levels
For stress and anxiety, a systematic review of clinical trials determined that supplemental magnesium can be beneficial in the management of mild anxiety and stress, particularly in those with low magnesium levels prior to supplementation.
Here are additional studies on magnesium you may find interesting and informative:
Bioavailability of Magnesium (Sept. 2025)
Bioavailability of Magnesium and Potassium Salts Used as Potential Substitutes for Sodium Chloride in Human Nutrition — A Review – PMC
Cellular Magnesium (Nov. 2014)
Role of Cellular Magnesium in Human Diseases – PMC
Topical Application of Magnesium (April 2017)
Effect of transdermal magnesium cream on serum and urinary magnesium levels in humans: A pilot study – PubMed
The Role of Magnesium in Pregnancy and in Fetal Programming of Adult Diseases (Dec. 2020)
https://pmc.ncbi.nlm.nih.gov/articles/PMC8360883/#Sec17
RTC Double Blind Study (Jun. 2025)
No Effect of Topical Application of a Commercial Magnesium Gel on Exercise Recovery in Active Individuals – PubMed
Impact of Transdermal Magnesium (Sept. 2010)
A_pilot_study_to_determine_the_impact_of_transdermal_magnesium_treatment_on_serum_levels_and_whole_body_CaMg_ratios.pdf
Magnesium in the Body (June 2023)
Physiology of a Forgotten Electrolyte—Magnesium Disorders – PMC
Studies Confirming Absorption of Topical Magnesium – The Heart Of Tradition
Skin Benefits ( Aug. 2025)
Magnesium Could Have Major Benefits for Skin, Dermatologists Say  Â
Notes:
Magnesium (Mg) is classified as a macronutrient, trace mineral, and cofactor in enzymatic reactions.
Mg plays a pivotal role in various physiological processes, including energy metabolism, muscle contraction, protein synthesis, and DNA synthesis. It acts as a cofactor for more than 300 enzymatic reactions, facilitating the conversion of adenosine triphosphate (ATP) to adenosine diphosphate (ADP) for energy production. Moreover, Mg is essential for the proper functioning of ion channels, particularly calcium channels, influencing nerve transmission and muscle relaxation. (Fatima G, Dzupina A, B Alhmadi H, et al. Magnesium Matters: A Comprehensive Review of Its Vital Role in Health and Diseases. Cureus. 2024;16(10):e71392. Published 2024 Oct 13. doi:10.7759/cureus.71392)
Mg deficiencies often stem from inadequate dietary intake, a prevalent issue worldwide. Studies consistently demonstrate that dietary Mg intake falls short of recommended levels, with a significant proportion of individuals consuming Mg below the recommended daily allowance (RDA). Western diets, characterized by high consumption of refined foods and low intake of Mg-rich whole grains and green vegetables, contribute to this shortfall. Processing and cooking methods further deplete the Mg content in food, exacerbating the problem. Additionally, factors such as pathogenic gut microbiota, phytic acid in certain foods, and the use of pesticides like glyphosate can interfere with Mg absorption, compounding the issue of deficiency. The consequences of Mg deficiency are multifaceted and can manifest as muscle cramps, fatigue, weakness, cardiovascular abnormalities, and increased risk of chronic diseases such as CVD, type 2 diabetes, and osteoporosis.
Diuretic-induced hypomagnesemia often accompanies hypokalemia, with mg correction being necessary for K balance. Therefore, assessing Mg levels in patients with hypokalemia is advisable. Moreover, several medications commonly used in the elderly, such as antacids, H2 blockers, proton pump inhibitors, antihistamines, antibiotics, antiepileptic drugs, and antivirals, among others, may contribute to mg deficits.
How to Use Magnesium Oil for Best Results
Spray or Apply. Apply to clean, dry skin. Spray or rub directly onto sore areas, the bottoms of the feet, or anywhere tension is held. For precise application, the 4 oz dropper tip bottle allows you to target one drop at a time. Avoid contact with eyes, freshly shaved skin, open cuts or tender areas.
Let Air Dry. Allow to absorb for 20–30 minutes. Rinse off if preferred, as the natural salts may feel uncomfortable on some skin once dry. Mild tingling is normal and subsides with consistent use.
Use Daily. Daily use is key to replenishing cellular magnesium. Most people notice a difference within the first week of consistent use.
Sensitive Skin? Dilute 50/50 with distilled water or apply directly to the bottoms of the feet, where absorption is excellent and sensitivity is minimal.
Foot Soak Protocol. Add 4 oz of Magnesium Oil to warm water in a foot basin. Soak for 20 minutes or more, up to 6 days per week. Continue for 3–4 weeks for optimal cellular saturation. The feet offer excellent transdermal absorption because all nerves in the body end in the feet, making this one of the most effective delivery methods available.
Full Bath Protocol. Add 4–8 oz of Magnesium Oil to a hot bath. Soak for 20–30 minutes. For a more economical bath option, Magnesium Bath Crystals are a super-concentrated alternative. Do not combine a foot soak and a full bath on the same day – choose one per session.
Teeth & Gums. Add 3–5 drops of Magnesium Oil directly to a wet toothbrush and brush as normal. may be used with or without toothpaste. Magnesium Oil can also be paired with Magnesium Snow, which is a natural astringent and tightens gums. Regular use supports tighter gums, less plaque and tartar buildup, and reduced translucency in teeth.
Disclaimer: Those with kidney failure should never use any magnesium products without consulting a medical professional. Magnesium chloride is a water-soluble mineral eliminated through the kidneys and can reach unhealthy levels if the kidneys are unable to process it normally. If you are currently taking oral magnesium, you may experience loose stools when beginning topical use. Reducing or eliminating your oral dose is recommended, as topical absorption is highly efficient.
How quickly will it work?
Topical magnesium absorbs fast. Many users feel benefits within minutes of application, while consistent use helps maintain cellular magnesium levels.
Where should I apply it?
Magnesium oil can be applied anywhere on the body. New users are encouraged to do a patch test before applying magnesium oil for the first time. Test on a small area of skin. Wait for several minutes. If discomfort occurs, dilute 50/50 with water and try the patch test again. The bottoms of the feet are an excellent option for those with sensitive skin, as absorption there is strong, but tingling is minimal. For general supplementation, common application sites include the arms, legs, abdomen, and the backs of the knees (which has thinner skin that absorbs well). For localized relief, apply directly to the area of concern and massage gently.
How much should I use per application?
A general starting point is 8–10 sprays (roughly one teaspoon) per application, which delivers approximately 538 mg of elemental magnesium. You can adjust up or down based on how your body responds. For targeted relief, apply a smaller amount directly to the area of concern. For whole-body replenishment, a larger application across the arms, legs, and abdomen is recommended.
Can I use it for teeth and gums?
Yes. Add 3–5 drops to a wet toothbrush and brush normally. Regular use of magnesium oil along with magnesium snow may support tighter gums and reduced plaque.
How long does topical magnesium take to work?
Topical magnesium, when applied directly to the area of discomfort, begins to relieve pain on contact. When taking a magnesium bath or foot soak, you’ll feel the magnesium working in 20-40 minutes. Full benefits for systemic issues like improved sleep, stress reduction, or correcting deficiencies typically take 4-6 weeks of consistent use to achieve optimal magnesium levels - but you can begin to see improvements right away.
Will it cause side effects?
Topical magnesium is generally safe. Mild tingling may occur initially. If taking oral magnesium, you may need to reduce your dose to avoid loose stools. Those on dialysis should avoid magnesium products unless directed by a physician.
Can children use it?
Pure magnesium oil is too concentrated to apply directly to the skin of infants and young children. For children, we recommend adding a small amount (half the adult dose or less) to a warm bath instead, which dilutes the concentration while still delivering magnesium transdermally. Always consult your pediatrician before beginning any new supplement routine for a child.
Can I use it during pregnancy?
Magnesium is an essential mineral during pregnancy, and many women are deficient. However, as with any supplement during pregnancy, we recommend consulting with your healthcare provider before beginning use. Topical application is generally considered gentler than oral supplementation since it bypasses the digestive system, but your provider is best positioned to advise based on your individual circumstances.
Can I customize my oil?
Yes. Add a few drops of essential oils to the spray bottle and shake before use for a personalized scent.
Why does magnesium oil tingle?
Magnesium oil may cause a mild tingling sensation when first applied, especially on dry skin or if you are magnesium deficient. Tingling frequently occurs due to rapid absorption, vasodilation (increased blood flow), or a difference in pH between the oil and the skin. This sensation usually decreases with regular use.
Can I use magnesium oil every day?
Magnesium oil can be used daily. Consistent application is often utilized to help maintain magnesium levels and address issues like muscle tension, stress, and sleep quality.
Is topical magnesium better than oral supplements?
The best way to get magnesium is through your diet. But if a deficiency is suspected, both oral and topical magnesium supplements can raise the body’s magnesium levels.Â
Topical magnesium chloride is a natural form of magnesium that comes from sea water. When applying magnesium topically, it easily absorbs through the skin, improving the body’s magnesium levels much more quickly. Topical magnesium is also the most effective for localized muscle, nerve, and joint relief by applying it directly to the area it is needed. In addition, magnesium chloride found in magnesium oils, magnesium gels, magnesium bath crystals, or magnesium bath flakes allows for much better magnesium absorption than Epsom Salts.
Oral magnesium is often not absorbed well, with only about 40% of the magnesium being absorbed, and acts as a laxative. It can take significantly longer to raise the body’s magnesium levels by taking magnesium orally. In addition, oral magnesium can cause stomach upset and other digestive side effects when large doses are needed.
Magnesium Oil vs Gel vs Bath Crystals
| Product | Best For | Absorption Speed | Skin Sensitivity |
|---|---|---|---|
| Magnesium Oil | Fast relief | Very Fast | Moderate |
| Magnesium Oil + Aloe | Fast relief Sensitive skin |
Very Fast | Low to Moderate |
| Magnesium Gel | Targeted massage | Moderate | Low |
| Bath Crystals | Full-body soak | Slow | Low |
What is the difference between magnesium oil, gel, and bath crystals? All three contain the same USP-grade magnesium chloride, the difference is in concentration, texture, and best use:
- Magnesium Oil is the most concentrated form at 3,182 mg of elemental magnesium per ounce. Its water-like consistency makes it ideal for spraying, targeted application, foot soaks, and tooth care.
- Magnesium Gel contains 1,591 mg per ounce and has a thicker consistency that stays in place on the skin longer, making it well suited for massage and extended topical application.
- Magnesium Bath Crystals are the most economical option for soaking and are super-concentrated for bath use, delivering magnesium through full-body or foot immersion. It is also preferred by those with sensitive skin.
Product Information
| Weight | N/A |
|---|---|
| Size | 1 oz, 2 oz, 4 oz, 4 oz Drp Tip, 12 oz, 16 oz, 64 oz, 1 Gal |
















