Active Promotions & Events

FREE SOS Sample Pack

Orders placed beginning 12am EST Wednesday March 11, 2026 will qualify for one free SOS Electrolyte Sample Pack. Limited to the first 100 customers. US based orders only. No promo code needed. Sample pack will be added to your order after it is received by our warehouse. The SOS Electrolyte Sample pack includes five electrolyte packets (Mixed Berry, Mango, Lemon, Watermelon, and Rainbow Sherbet). Samples will be delivered with your Nix Biosensors order. Offer is not valid on prior/pending orders. Offer valid only at www.nixbiosensors.com.