4Arm Strong Sport Spray


REDUCE LACTIC ACID BUILD-UP.  Lactic acid build-up in the forearms will cause the same symptoms as arm pump and since there is no way to tell the difference, we have developed a product to relieve this issue as well. First using the 4Arm Strong device to stretch out your forearms, then using 4Arm Strong Sport Spray is the best two step process available to achieve loose, flexible forearms while competing in arm pump related activities. 4Arm Strong Sport Spray is a proven complement to the 4Arm Strong device, or a stand-alone solution to reduce cramping, stiffness and pain.

SKU: 4ASP Category:


4Arm Strong Sport Spray is a positively charged ionic mineral solution infused with our proprietary blend of magnesium oil, arnica, essential oils and sodium bicarbonate. This transdermal solution absorbs directly into the muscles through the skin, resulting in reduced muscle stiffness, cramping, lactic acid build-up and pain.

Proven to be an effective complement to the 4Arm Strong device, the Sport Spray also increases muscle endurance and C02, which aids in oxygenation.


Additional information

Weight .25 lbs
Dimensions 2 x 2 x 4 cm
Sport Spray Size

2oz Spray Bottle $14.95, 8oz Spray Bottle $29.95


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