This is the video on metabolism of tryptophan with NEET PG and AIIMS MCQs.
Tryptophan is an essential amino acid, containing indol ring.

Tryptophan is a precursor for the synthesis of:
- Vitamin niacin (vitamin B3)
- Neurotransmitter serotonin
- Hormone melatonin.

Tryptophan is metabolized by two pathways:

1 Kynurenine pathway

2. Serotonin pathway.

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