I am currently
taking this pre-workout. It gives me all the energy and focus I need. The
energy is jitter free thanks to the theanine.
Theanine and caffeine in a 2:1 ratio.
Theanine 600 mg
Caffeine 300 mg
Sources:
- http://www.drugbank.ca/drugs/DB00201#pharmacology
- http://www.ncbi.nlm.nih.gov/pubmed/9889511
- http://www.ncbi.nlm.nih.gov/pubmed/8081318
- http://www.ncbi.nlm.nih.gov/pubmed/22142020
- http://jap.physiology.org/content/93/4/1227.full
- http://www.ncbi.nlm.nih.gov/pubmed/8061728
- http://jap.physiology.org/content/93/4/1227.full
- https://www.ncbi.nlm.nih.gov/pubmed/17182482
- https://www.ncbi.nlm.nih.gov/pubmed/16930802
- http://espace.library.uq.edu.au/view/UQ:284103
- http://www.koreamed.org/SearchBasic.php?RID=0124KJN/2003.36.9.918&DT=1
- http://www.sciencedirect.com/science/article/pii/S0924224499000448
- http://www.ncbi.nlm.nih.gov/pubmed/23458739
- http://www.ncbi.nlm.nih.gov/pubmed/16930802
- http://www.ncbi.nlm.nih.gov/pubmed/18063498
- http://www.ncbi.nlm.nih.gov/pubmed/11304755
- http://www.ncbi.nlm.nih.gov/pubmed/21303262
- http://www.ncbi.nlm.nih.gov/pubmed/18006208