Table 5.

Concentration of vitamins in milk of yak (41, 54, 74–77).

Vitamins	Concentration (mg/L milk)	Function in the body
Vitamin A	0.6–1.2 mg	Necessary for vision, immune function, and cellular communication.
Vitamin D	0.005–0.015	Helps with the absorption of calcium and phosphorus and supports bone
Vitamin E	1–6	Acts as an antioxidant and supports immune function.
Vitamin K	0.002–0.006	Necessary for blood clotting and bone health.
Vitamin B1	0.2–0.6	Helps convert carbohydrates into energy, and plays a role in nerve function.
Vitamin B2	1.2–2	Helps convert food into energy and supports healthy skin and eyes.
Vitamin B3	0.1–0.25	Plays a role in energy production and helps maintain healthy skin and nerves.
Vitamin B5	0.2–0.5	Plays a role in energy metabolism and hormone production.
Vitamin B6	0.3–0.6	Helps with the metabolism of amino acids and supports nervous system function.
Vitamin B9	0.005–0.015	Plays a role in DNA synthesis and supports healthy fetal development.
Vitamin B12	0.2–0.6	Necessary for nerve function and red blood cell production.