Pre-workout supplements are intended to boost energy so you can work out harder and longer. Taking pre-workout can cause side effects like nausea and shakiness due to high caffeine content.

Aim for 300 to 800 mg of nitrates a day to protect ... two to three hours before a one-time event like a challenging workout or competition. You can also take lower dosages of nitrate supplements (3 ...

Stimulating effect of beta-alanine may not be desired on rest days Upgrade your current pre-workout supplement by swapping to this pick from Optimum Nutrition. This ultimate three-in-one powder ...

Depending on your workout and goals, pre-workout supplements may be a way to get performance benefits. Pre-workout products are one of many supplement options that aim to improve athletic ...

Add Innermost’s sweet pineapple-flavoured powder to your shake pre-workout to amp up your fitness routine. Formulated by nutritionists, the supplement is created using 16 ingredients to increase ...

“Pre-workout supplements are designed and intended to enhance performance and 'energy' before exercise, and contain a mix of ingredients to help do so,” says Myprotein Nutritionist, Jamie Wrigh ...

We tested each supplement across a range of workout scenarios, from high-intensity weightlifting to endurance training, to see how well they supported performance and recovery. We also looked at ...