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Once injected, it can travel throughout the body and become available to various tissues

3) Sources of glutamine and glutathione a) Glutamine & glutathione in the body While both are naturally produced and found in the body - interestingly, both can be depleted due to things like stress, injury, aging and poor lifestyle, among other reasons

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At the cellular level, thyroid hormones act through nuclear receptors TR and TR to regulate transcription of genes involved in neuronal metabolism, mitochondrial biogenesis, and cytoskeletal organization (64, 65)