Every day your body is running on a mineral most people are quietly low on.
Not because they're unhealthy. Not because they're doing anything wrong. Because the standard blood test often misses it.
Of your magnesium is inside your cells. Only about 1% is in your blood. Standard labs measure the 1%, which means the picture they see can look fine even when your stores are running low.
The depletion keeps going. And often gets called something else.
Aging. Stress. Hormones. Just how it is.
One mineral. Three hundred jobs.
Magnesium plays a role in how your nervous system stays calm, how your muscles relax, how your brain handles focus and rest, and how your heart keeps a steady rhythm. When it runs low, nothing breaks dramatically. Things just tend to work a little less smoothly than they should. Every single day.
The form makes a difference.
Not all magnesium is the same. The form determines how easily your body can actually use it.
The cheapest and most common form. Low absorption — often the reason people try magnesium and don't notice much. Can also be hard on the stomach at higher doses.
Bound to an amino acid that helps your body absorb it more easily. Among the most bioavailable forms, and gentle on the stomach.
275mg Pure Glycinate
No oxide blend. No proprietary blend hiding the real dose.
Third-Party Tested
Every batch verified for purity, potency, and contaminants.
60-Day Guarantee
Full refund within 60 days, even if you've opened it.
If your body has been running low, this is one of the simplest things you can give it back.
Replenish what you've been missing.
Try it for 60 days. If it isn't doing anything for you, we send your money back.
Open the bottle. Take it daily. If you don't notice a difference within 60 days, email us and we refund every dollar. Even if the bottle is half-empty. Even if it's almost finished.
No hoops. No restocking fees. No "ship it back at your cost." Just an email to support@tryreversa.com.
Magnesium works gradually. Here's roughly when most people notice things.
These are the patterns we hear most often. Your timeline will depend on how depleted you've been, how consistently you take it, and what your body is using it for first.
-
Week 1–2
Sleep tends to be the first thing people notice. Falling asleep faster. Waking up less in the night. Some people say nothing has changed yet — that's normal.
-
Week 3–4
Muscle tension and night cramps tend to ease. People often say they didn't realize how tight their shoulders or calves had been until the tightness started lifting.
-
Week 4–8
A general steadiness — less reactive, less frayed at the end of the day. Easier to recover from stress. Energy in the afternoons that wasn't there before.
-
Week 8+
Cellular stores are rebuilding. This is the point most studies measure from, and where the longer-term changes start showing up.
Things people ask before ordering.
Most people notice changes in sleep within the first 1–2 weeks. Muscle tension and cramps tend to ease around weeks 3–4. The deeper changes — the steadier nervous system, the everyday capacity — usually show up in weeks 4–8.
If you've been depleted for years, the rebuild takes longer. Most people who try magnesium and feel nothing stopped before week 4. Give it 8 weeks of consistent use before deciding.
Two things usually explain it. The form: most pharmacy magnesium is oxide, which has poor absorption. Reversa is pure glycinate, the form most clinical studies use.
The dose: most products list a big number on the front (often the weight of the binding compound) and bury the actual elemental magnesium in the supplement facts panel — frequently under 50mg. Reversa delivers 275mg of elemental magnesium per serving.
Magnesium is generally well-tolerated alongside common medications, but interactions vary by individual. If you take prescription medication — especially blood pressure medication, antibiotics, diuretics, or thyroid medication — talk to your doctor or pharmacist before starting any new supplement.
This goes for any supplement, not just ours.
Have a specific question right now? Our chatbot at the bottom right of the page can answer general questions about magnesium and common medication interactions. It's powered by Claude (the same AI that helps doctors and researchers) and has access to a wide knowledge base — but for anything specific to your situation, your doctor or pharmacist is still the right call.
Three capsules per serving. Most people take them in the evening, with or without food, since glycinate tends to support sleep. Some prefer to split the dose — one or two with breakfast, the rest before bed.
What matters most is consistency. Daily use is what rebuilds cellular stores.
Magnesium is an essential mineral your body uses every day, and modern diets often don't supply enough. Most people who address depletion stay on it as ongoing nutritional support, the same way they'd take vitamin D or omega-3.
If you have kidney disease or any condition affecting how your body processes minerals, check with your doctor before supplementing.
No. Magnesium doesn't sedate you the way a sleep aid does. It supports the systems that help your body wind down at night and stay steady during the day. People generally report feeling calmer rather than tired.
If you're sensitive, take it in the evening rather than the morning.
Email support@tryreversa.com within 60 days and we refund the full purchase. Opened bottles, half-finished bottles, almost-finished bottles — doesn't matter.
No restocking fees. No return shipping. No questions about why. Just send the email.
Manufactured in a US facility. Every batch is independently third-party tested for elemental magnesium content, heavy metals, and microbiological contamination.
The Certificate of Analysis is available on request — email support@tryreversa.com.