@Noor while it’s not impossible to get enough calcium without dairy, calcium needs do peak during adolescence because it’s a critical time for bone development. So it’s definitely possible that he needs more calcium. I would recommend you track his diet for a week (you can use our fillable 3-day food journal to help with that) and then upload…

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Hi @Noor – the following tests would be a good starting point for investigation if you’re concerned about his growth and delayed puberty:

• IGF-1 (Insulin-like Growth Factor 1) measures the average growth hormone activity in the body which helps with height and puberty

• Full thyroid panel measures metabolic function which is needed for growth.…

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