All Caffeine study protocols

Caffeine, Beta-Alanine, Vitamin B12, Niacin and Folic Acid: study protocols

5 study groups took Caffeine together with Beta-Alanine, Vitamin B12, Niacin and Folic Acid. These are the doses the studies gave. They are not a recommendation.

Caffeine: what the research found →

Dose per serving from research: Caffeine

5 study groups in 3 studies say how much Caffeine participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mg to 500 mg, 80% of 5 study groups.

Daily dose	Study groups
100 mg to 250 mg	1
250 mg to 500 mg	4

Dose per serving from research: Beta-Alanine

5 study groups in 3 studies say how much Beta-Alanine participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 2.5 g to 5 g, 80% of 5 study groups.

Daily dose	Study groups
1 g to 2.5 g	1
2.5 g to 5 g	4

Dose per serving from research: Vitamin B12

5 study groups in 3 studies say how much Vitamin B12 participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 50 mg to 100 mg, 80% of 5 study groups.

Daily dose	Study groups
10 mg or less	1
10 mg to 25 mg	0
25 mg to 50 mg	0
50 mg to 100 mg	4

Dose per serving from research: Niacin

5 study groups in 3 studies say how much Niacin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 50 mg to 100 mg, 100% of 5 study groups.

Daily dose	Study groups
50 mg to 100 mg	5

Dose per serving from research: Folic Acid

5 study groups in 3 studies say how much Folic Acid participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 25 mg to 50 mg, 80% of 5 study groups.

Daily dose	Study groups
10 mg or less	1
10 mg to 25 mg	0
25 mg to 50 mg	4

Commonly used together

5 of 5 study groups took Caffeine, Beta-Alanine, Vitamin B12, Niacin and Folic Acid with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Effects of ingesting a pre-workout dietary supplement with and without synephrine for 8 weeks on training adaptations in resistance-trained males 2017 · PWS · Apparently healthy, resistance-trained males; mean age about 21 years	284 mg	3 g	70 mg	60 mg	50 mg	8 weeks	27
Effects of ingesting a pre-workout dietary supplement with and without synephrine for 8 weeks on training adaptations in resistance-trained males 2017 · PWS + S · Apparently healthy, resistance-trained males; mean age about 22 years	284 mg	3 g	70 mg	60 mg	50 mg	8 weeks	26
Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance 2017 · PWS · Resistance-trained healthy adults; 20 men and 5 women, mean age 21.7 years	284 mg	3 g	70 mg	60 mg	50 mg	1 day	25
Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance 2017 · PWS + S · Resistance-trained healthy adults; 20 men and 5 women, mean age 21.7 years	284 mg	3 g	70 mg	60 mg	50 mg	1 day	25
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery 2017 · RTD · Recreationally active men and women aged 18–40 years with at least six months of resistance-training experience	200 mg	2.1 g	45 mcg	65 mg	325 mcg	7 days	25