If you’re interested in building muscle, Amazon Prime Day is a great opportunity to buy a cheap health and fitness kit. With the bonanza of deals at hand, we’re already seeing great discounts on health and fitness kits.

Building muscle can be quite expensive and means investing in some fitness equipment or joining a gym. Then there’s the nutritional side: to build muscle effectively, you need to eat more. Lastly, you’ll need an effective way to keep track of your workouts and diet plan, as well as reminders to get moving regularly and ensure you get quality sleep. One of the best fitness trackers can do it all.