Hello! my 13yr old son's hemoglobin level is 5.9 as of today's doctor appt. he is 5'9" tall about 262lbs. what foods will help lower the hemoglogin? and what foods are making his hemoglobin higher? i don't want my son to have diabetes so any info you can

GLUTEN FREE DIET: He fits Criteria for obesity. I would also suggest if he is fatigued and sleepy during the day, to obtain a sleep study. Especially if collar size greater than 18. I would suggest a gluten free diet with gradual transition. To paleo diet. Making sure to rotate his food daily. Also full blood work update with thyroid studies and testosterone levels should be obtained. Also increase activity