What are the Main Benefits of this product?

XL Caff is a pure caffeine supplement, designed for ease of use and effectiveness. Caffeine has a variety of effects for example helping to delay the onset of fatigue during exercise [1] as well as improving cycling performance[2]. Other studies also show a reduction is blood lactate levels during high performance exercise [3] and even having an antioxidant effect and reduce stress makers after exercise [4]. A final interesting benefit is that caffeine can aid cognitive abilities and increase cognition after intense exercise [5]

What does the product contain?

200mg Caffeine per tablet

How many servings are there per Tub?

90

How long with the tub last?

This will depend on your use

When should I take it?

This product can be taken in the morning for an early morning boost, before a workout or before studying.

And what with?

To be taken with water

What other Excel Products work well with this?

This product works well with any Excel Labs product

Is this product safe?

This product is entirely safe with no shown adverse health effects. Due to the large caffeine content we advice users to use a smaller dose to start off with to assess tolerance. Always read the label before use.

Can I read a full write up?

A full write up can be round here

References

1. Davis, J.M., Zhao, Z., Stock, H.S., Mehl, K.A., Buggy, J., & Hand, G. (2003). Central nervous system effects of caffeine and adenosine on fatigue. Am J Physiol Regual Integr Comp Physiol, 284, 399-404.

2. Jenkins, N.T., Trilk, J.L., Singhal, A., O’Connor, P.J., & Cureton, K.J. (2008). Ergogenic effects of low dose caffeine on cycling performance. Int J Sport Nutr Exerc Metab, 3, 328-42

3. Doherty, M., Smith, P., Hughes, M., & Davison, R. (2004). Caffeine lowers perceptual response and increases power output during high-intensity cycling. J Sports Sci, 7, 637-43.

4. Lee, C. (2000). Antioxidant ability of caffeine and its metabolites based on the study of oxygen radical absorbing capacity and inhibition of LDL peroxidation. Clin Chim Acta, 2, 141- 54.

5. Hogervorst, E., Riedel, W.J., Kovacs, E., Brouns, F., & Jolles, J. (1999). Caffeine improves cognitive performance after strenuous physical exercise. Int J Sports Med, 6, 354-61.