If it is due to deficiency , take Vitamin supplementation . If due to inadequate absorption or lack of endogenous synthesis the vitamin therapy will eb a waste .
Then you have to go to the root cause by changing the diet styles and diet ingredients to improve the vitamin absorption and synthesis in the bod [Intestines]. It is quite a difficult task for you to convince a 13 year old boy. This is the age they resent taking diet and are attracted to all sort of Junk FSS [Fat Sugar Salted ]foods.
Slowly start giving Curd the first feed in the morning as Dr. Korada suggested . Make it acceptable to the child with salt and sugar and some natural flavouring ingredients like Jeera powder and saffron - costly worth it [केसर , குங்குமப்பூ].
Curd has bacteria, such as lactobacillus which is also known as
Prebiotic bacteria which are friendly and good ones for the system. It is now known that certain strains have the capability to synthesize water‐soluble vitamins such as those included in the B‐group (folates, riboflavin and vitamin B12 amongst others) . Exactly what our friends in Circle have advised to be given . The presence of this bacteria in the guts helps in the absorption of and synthesis of B-vitamins , particularly the ones which prevent stomatitis . Include Cabbage , Cauliflower steamed , which will increase the probiotic activity in the guts . This is the base towards making the system synthesise and absorb vitamins , particularly B. [Tablets or capsules are available in the Pharmacy - like Vizylac , Nor B Cap etc .]
NEXT INCLUDE GREEN , FRESH WELL WASHED VEGETABLES AND GREENS IN THE DIET . more