Same-day dispatch before 1pm · Free UK delivery over £100
Doctor’s Best L-Tyrosine, 500mg – 120 vcaps
Doctor’s Best L-Tyrosine, 500mg – 120 vcaps provides 500mg of L-tyrosine in each vegetable capsule. A stim-free amino acid that slots easily into a morning or pre-training routine, with a generous 120 capsules per bottle.
Products are almost sold out
available only:
10In Stock
Description
Doctor’s Best L-Tyrosine 500mg – Amino Acid Vcaps
Doctor’s Best L-Tyrosine 500mg is a straightforward L-tyrosine supplement with 500mg per vegetable capsule and 120 vcaps per bottle. Tyrosine is an amino acid the body makes from phenylalanine, and it is the precursor to dopamine, noradrenaline and adrenaline, as well as thyroid hormones. Rich food sources include cheese, soya, chicken and fish. It is a favourite with people who build custom caffeine-free stacks for demanding days.
Key Benefits
- 500mg per vcap – an easy, measured dose of L-tyrosine.
- Catecholamine precursor – the building block for dopamine, noradrenaline and adrenaline.
- Stimulant-free – contains no caffeine, so it suits caffeine-conscious users.
- Vegetable capsules – made with vcaps rather than gelatin.
- 120 capsules – a long-lasting bottle for regular use.
Who Is It For?
A good choice for gym-goers building their own pre-workout stack, busy professionals and students who prefer caffeine-free supplements, and anyone who likes to add individual amino acids to a balanced diet.
Why Choose Doctor’s Best?
Doctor’s Best, founded in California, focuses on science-based nutrition and is known for clear labelling and quality raw materials.
FAQs
Should L-tyrosine be taken on an empty stomach?
Many people take it before breakfast or before training, away from protein-rich meals. Check the label on your pack for the recommended directions.
How is it different from BioTechUSA L-Tyrosine?
Both supply L-tyrosine; this one uses vegetable capsules with a stated 500mg per capsule. Check each label for exact serving details.
Why Shop With Lotty8 Supps?
- Genuine, factory-sealed products – sourced through established UK sports-nutrition wholesale distribution. Never repackaged, never grey-market.
- Fast dispatch – orders placed before 1pm on a working day are dispatched the same day with Royal Mail Tracked 48.
- Low-cost UK delivery – £3.99 per order, free on orders over £100. See our Delivery & Returns page.
- Hassle-free returns – full details on our Delivery & Returns page.
- Top brands in one place – Applied Nutrition, BioTechUSA, SciTec, NOW Foods, Doctor’s Best and many more.
- Real people, real help – questions about a product or your order? Contact the Lotty8 team.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Formulations and packaging can change – always read the label on the product you receive before use.
Take the serving on the label with water, ideally in the morning or before training. Speak to your GP or pharmacist before use if you take any medication, particularly thyroid, blood pressure or mood-related medication.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Doctor's Best
- Product: L-Tyrosine
- SKU: P30642
- Category: Individual Amino Acids
- Strength: 500mg
- Pack size: 120 vcaps
- Product format: Vegetarian capsules
- EAN: 0753950003163
- Listed shipping weight: 0.11 kg
- Country of origin: United States
Additional information
| Weight | 0.11 kg |
|---|---|
| Country of Origin | United States |
| Expiry Date | 2028-05-31 |
Frequently asked questions
Are your products genuine?
Yes. Every product comes through established UK wholesale distribution and is sold factory-sealed – never repackaged and never grey-market.
How much is delivery and how quickly will it arrive?
UK delivery is £4.99 per order, and free on orders over £100. Orders placed before 1pm, Monday to Friday, are dispatched the same working day with Royal Mail Tracked 48, which aims to deliver within 2–3 working days. You will get an email with your tracking number as soon as it is on its way. Full details are on our Delivery & Returns page.
Can I return it?
Yes. You have 30 days from delivery to return sealed, unopened items. For health and hygiene reasons supplements and food cannot be returned once the seal is broken, unless they are faulty. If something arrives damaged or is not what you ordered, contact us and we will put it right. See Delivery & Returns.
How can I pay?
Card, Apple Pay and Google Pay. Payments are processed securely by our payment providers, and we never see or store your full card details.
Where can I find the ingredients, nutrition and allergy information?
In the tabs above (Nutrition, Ingredients and How to Use) where they are available for this product. Manufacturers sometimes update formulas and packaging, so always read the label on the pack you receive, especially if you have allergies.
Is it suitable for me?
Food supplements are not a substitute for a varied, balanced diet and healthy lifestyle, and should not be taken above the recommended daily amount. Keep out of the reach of children. If you are pregnant, breastfeeding, taking medication or have a medical condition, speak to your doctor before use.
Who can I ask about this product?
Our UK team is here Mon – Fri, 9:30am – 4:30pm. Call +44 7955 204 290, email info@lotty8supps.com or use our contact page.












Reviews
There are no reviews yet.