Source Naturals, Vitamin B 125 Complex Yeast Free, 125mg, 90 ct Stress L-Cysteine is a crystalline free-form

L-Cysteine is a crystalline free-form amino acid that is active in many body processes

Calcium - 22 mg

Best taken on an empty stomach

Spray twice under the tongue three times a day

Increases energy and stamina

Source Naturals, Vitamin B 125 Complex Yeast Free, 125mg, 90 ct Stress L-Cysteine is a crystalline free-formB vitamins are essential components of numerous key enzyme systems, without which the body cannot function. Each B vitamin fills a different, complementary need, which is why they should usually be taken together. B vitamins act as coenzymes to catalyze numerous biochemical reactions, aid in energy production, blood cell formation, fat and protein amino acid metabolism, and are important for the normal functioning of the nervous system. Packaging 90