Clinical Study to Compare the Effect of an Oral Rehydration Solution on the Rate of Absorption of Functional Ingredients

Participants will be administered one oral serving of an oral rehydration solution containing caffeine and l-theanine

Participants will be administered one oral serving of an oral rehydration solution containing melatonin and l-theanine

Participants will be administered one oral serving of a comparator oral rehydration solution containing caffeine and l-theanine

Participants will be administered one oral serving of a comparator oral rehydration solution containing melatonin and l-theanine