Painful leg cramps and charley horses aren't random — they're your body screaming for magnesium. Our extra-strength roll-on delivers it right to the muscle, in minutes.
Your training is going great — until a violent cramp freezes your calf mid-stride and forces you to stop.
Miles from home, your legs lock up. Sweating depletes magnesium faster than you can replace it with sports drinks alone.
You're jolted awake by a searing charley horse. You're exhausted but can't relax back to sleep. Night after night.
Oral magnesium loses potency through digestion. By the time it circulates, your leg cramp is already here.
Watch why transdermal magnesium outperforms pills for fast-acting leg cramp relief.
Recommended: 60–90 second product demo or customer testimonial video
Apply directly to the cramping calf, quad, hamstring, or foot at the first sign of tightness.
Extra-strength magnesium penetrates skin and goes straight to the muscle — no digestion delay.
Magnesium restores the mineral balance that causes cramps, allowing the muscle to fully relax.
Pre-run prevention, mid-race relief, or nightly nightstand routine — it works at every stage.
Higher magnesium concentration than standard sprays — formulated for athletes and active adults who need fast, reliable relief.
Tested and purified to pharmaceutical-grade standards. Sourced from the pristine Ancient Permian Seabed — zero contaminants.
Manufactured in the United States with strict quality controls. No fillers, no artificial additives.
The roll-on applicator lets you apply exactly where the cramp is — no mess, no waste, no sticky hands.
Pure magnesium chloride. No parabens, no artificial fragrance, no ingredients you can't pronounce.
"Finally something that actually stops my charley horses." — Real customer, verified purchase.
"I'm a marathon runner and leg cramps were ruining my long runs. I roll this on my calves before every run now and haven't cramped since. Game changer."
"Woke up every night with charley horses for years. Tried everything. This roll-on on my calves before bed is the only thing that actually works."
"I keep one in my jersey pocket during rides. When I feel a cramp coming on I roll it right on. Saved me twice on a 70-mile ride last month."

Spray across legs, back, and full body before workouts or at night. Great for full-leg coverage before long runs or rides.
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Roll directly on cramping calves, quads, or feet for fast-acting relief. Keep one on your nightstand, in your gym bag, or cycling kit.
Get Targeted Relief →Try it risk-free. If you're not completely satisfied with your results, contact us and we'll make it right. No hassle, no hoops. That's the Seven Minerals promise.