L-Tyrosine
Biotech USA

L-Tyrosine

  • ✓ 500 mg L-tyrosine per capsule
  • ✓ 100 µg iodine per daily serving
  • ✓ 100 capsules (50 servings)
€20,50
100 capsules/ · Tax included. Shipping calculated at checkout.
🚚 In stock – delivery time: 1–3 working days
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Biotech USA combines L-tyrosine with iodine in this product. Per daily serving (2 capsules), it delivers 1,000 mg of L-tyrosine and 100 µg of iodine, which corresponds to 67% of the recommended daily intake of iodine. 100 capsules per container, i.e. 50 servings.

L-tyrosine is a semi-essential amino acid that the body produces from L-phenylalanine. In sports nutrition, it is one of the most widely used single amino acids and is often taken before training.

  • No aspartame, GMO-free

Composition2 capsules%NRV
L-Tyrosine1000 mg**
iodine100 μg67%
Ingredients:
L-tyrosine (73%), capsule shell [gelatine, coating agent (shellac), colorant (iron oxides and hydroxides), acidity regulator (ammonium hydroxide), acidity regulator (potassium hydroxide)], anti-caking agent (magnesium salts of fatty acids, silicon dioxide), potassium iodide (0.01%).

Two capsules daily before a meal or before training. Do not exceed the recommended daily intake!

Food supplements are not intended as a substitute for a balanced and varied diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of the reach of small children! Not for use by persons under 18 years of age.

Producer

BioTechUSA Kft, Huszti str. 60, H1033 Budapest, Hungary

Item no.: 4650

L-Tyrosine plus Iodine: The Biotech USA Formula

While most L-tyrosine capsules come either pure or with B vitamins, Biotech USA takes a different approach: iodine instead of vitamins. Iodine is a trace element that, according to EFSA, contributes to normal thyroid function.¹⁾

The L-tyrosine content is 73% per capsule. That is a high value. The rest consists of the capsule shell (gelatin), anti-caking agent, and potassium iodide. Not vegan.

Recommended Use

Take two capsules daily before a meal or before training. Do not take together with other iodine-containing supplements to avoid exceeding the recommended iodine intake.

What Sets Biotech USA L-Tyrosine Apart?

The added iodine makes this product unique in our range. While other L-tyrosine capsules rely on B vitamins or contain no extras at all, Biotech USA delivers 100 µg of iodine per daily serving. According to EFSA, iodine contributes to normal thyroid function.¹⁾

With an L-tyrosine content of 73% per capsule, it is also among the more highly concentrated products on the market. You can find more single amino acids in our Single Amino Acids category.

If you are looking for NAC in addition to L-tyrosine: the N-Acetyl L-Cystein from GN Laboratories is our best-selling product in the single amino acids category.

¹⁾ Authorized EFSA health claim: Iodine contributes to normal thyroid function.

Frequently asked questions about L-Tyrosine

Why does Biotech USA L-Tyrosine contain iodine?
Iodine is a trace element that the body cannot produce itself. Biotech USA combines it with L-tyrosine because both ingredients are used in connection with thyroid function. According to the EFSA, iodine contributes to the normal production of thyroid hormones.¹⁾

Can Biotech USA L-Tyrosine be taken just once a day?
The manufacturer's recommendation is 2 capsules per day. This provides 1,000 mg L-tyrosine and 100 µg iodine. A single capsule contains half this amount.

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