Learner1
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These diagrams show where P5P (B6), C, SAMe and BH4 (Kuvan) are used in catecholamine production:Some adults develop elevated tyrosine in their blood. This indicates a need for more vitamin C. More tyrosine is needed under stress, and tyrosine supplements prevent the stress-induced depletion of norepinephrine and can cure biochemical depression.
- Tyrosinemia may coexist with tyrosinuria and the most common cause is either vitamin B6 deficiency or pyridoxal 5-phosphate dysfunction, or weakness of the tyrosine transaminase enzyme and increased need for vitamin B6 or pyridoxal 5-phosphate.
Tyrosine is also needed in the production of thyroid hormones, which can impact energy. It might be wise to have FT3, FT4 and TSH checked after supplementing tyrosine, especially if you start to feel hyperthyroid symptoms.