Complex sentence: KLUTCHclub is a marketing channel that solicits health and wellness products from companies at no cost; in return, the partnering companies are able to gain exposure to KLUTCHclub's subscribers through their monthly boxes as well as through their social media and press mentions.
Split into simpler sentences: KLUTCHclub is a marketing channel that solicits health and wellness products from companies. In return, the partnering companies gain exposure to KLUTCHclub's subscribers through their monthly boxes as well as through their social media and press mentions.