Doctors Best Tyrosine is a conditionally essential amino acid that is a precursor to the catecholamine transmitters: dopamine, epinephrine, and norepinephrine. These are vital messengers for the brain and the bodys other nerve networks.
The thyroid gland also needs tyrosine to make the vital hormone thyroxine. Doctors Best L-Tyrosine supplies the pure L-form of tyrosine, an amino acid that has many important functions in the body. Tyrosine or 4-hydroxyphenylalanine, is one of the 22 amino acids that are used by cells to synthesize proteins.
Doctors Best was founded in 1990 with the idea to create nutritional supplements rooted in research. From sourcing top-quality ingredients to working with the best manufacturers in the business, their science-based approach to nutrition sets them apart.
Today, Doctors Best continue to uphold their founders belief that by trusting in science, good health will follow. They put in the work so you can thrive.
Tyrosine (L-Tyrosine), modified cellulose (vegetarian capsule).
Take 1 capsule daily between meals, or more, as recommended by a nutritionally-informed physician.
Orders are typically dispatched within 1 working day, and usually the same day if ordered before 4pm (GMT/BST) Monday to Friday.
An estimated date of delivery will be included in the email we send to confirm dispatch. Along with the courier service and tracking details.
If you live in the UK we include a returns label so you can return any product to us, completely free of charge, within 30 days.
And we will refund you in full, with no quibbles whatsoever.
Is our no.1 priority. If you are not satisfied for any reason whatsoever, please don't hesitate to contact us. You can call us on:
+44 161 974 0066 (Outside the UK)
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