By the Zespo team · Updated 26 October 2026
L-tyrosine is an amino acid. Its name comes from the Greek word tyros, meaning cheese, because it was first isolated from casein, the main protein in cheese, by the German chemist Justus von Liebig in 1846.
Food sources
The body can make tyrosine from another amino acid, phenylalanine. It is also found in protein-rich foods such as paneer, cheese, curd, soy, pulses, peanuts, eggs and chicken.
L-tyrosine vs N-acetyl L-tyrosine
Some products use N-acetyl L-tyrosine (NALT), a modified form, instead of plain L-tyrosine. They are different ingredients, so check which one the label lists and the amount per serving.
What to check before you buy
- The amount of each ingredient per serving, not just per capsule
- How many capsules make one serving and how many servings are in the pack
- Whether any ingredient sits inside an undisclosed "proprietary blend"
- An FSSAI licence number and the veg/non-veg mark on the pack
Label facts: Zespo L-Tyrosine 500 mg - 120 Veg Capsules
- Free-form L-tyrosine, 500 mg in each single-capsule serving
- 120 capsules - a four-month supply
- Single amino acid, nothing else added
- Made in India in a GMP-certified facility, FSSAI-licensed
See Zespo L-Tyrosine 500 mg - 120 Veg Capsules on zespo.in · Also on Amazon.in (search "Zespo").
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Zespo products are food supplements, not medicines. This article is for general information and is not medical advice. Take supplements as directed on the label and speak to a qualified healthcare professional if you are pregnant, nursing, taking medication or have a medical condition.
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