Shopping Cart

0

Your shopping bag is empty

Go to the shop

Jarrow Formulas L-Tyrosine 500 mg - 200 Capsules (Pack of 2)

$66.05

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

Orders are generally processed within 1–3 business days. Standard delivery to addresses in Canada usually takes approximately 5–15 business days after dispatch.

Tracking information will be sent by email when it becomes available. Delivery times are estimates and may be affected by carrier delays, customs, severe weather or circumstances outside our control.

  • Prices are displayed in Canadian dollars.
  • Applicable taxes and shipping charges are calculated at checkout.
  • Orders may be delivered in more than one shipment.
  • Please verify your shipping address before completing your order.

Returns & Refunds

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and other health-related products must be unused, unopened, sealed and returned in their original packaging.

Opened or used products cannot be returned for health and safety reasons, unless the item arrived damaged, defective or incorrect. Damaged, defective or incorrect items should be reported within 48 hours of delivery.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns. A restocking fee of up to 20% may apply where permitted. Original shipping charges are non-refundable unless the return results from an error on our part.

Refunds are issued to the original payment method after the returned item has been received and inspected. Please allow up to 7 business days for the refund to be processed.

Approved Return Address
Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
Please contact us before sending a return. Returns sent without prior authorization may be delayed, rejected or returned to the sender.

Need Help?

For questions about an order, delivery, return or refund, contact our customer support team and include your order number.

Email: info@cloverlight.net

Vitamin4CA.com is operated by Cloverlight LLC.

Ask a Question

Jarrow Formulas L-Tyrosine 500 mg - 200 Capsules (Pack of 2)

Jarrow Formulas L-Tyrosine 500 mg - 200 Capsules (Pack of 2)

$66.05

Whether you're cramming for exams, tackling a demanding project, or powering through a strenuous workout, your brain needs optimal support to stay sharp and focussed. L-Tyrosine is a conditionally essential amino acid that acts as a foundational building block for key neurotransmitters such as dopamine and norepinephrine. These chemical messengers are essential for maintaining concentration, mental energy, and a stable mood, especially during stressful periods. Jarrow Formulas L-Tyrosine delivers 500 mg of pure crystalline L-Tyrosine per capsule to help sustain your mental edge when it matters most.

Who Can Benefit from L-Tyrosine?

L-Tyrosine supplementation is particularly useful for individuals facing high cognitive demands. Students, professionals, and athletes often turn to it to support mental clarity during intense focus sessions or prolonged physical exertion. People following vegetarian or vegan diets may also benefit, as plant-based foods typically contain less tyrosine compared to animal sources. Additionally, those with genetic variations affecting neurotransmitter metabolism might find supplementation helpful for maintaining optimal brain function.

Key Benefits of L-Tyrosine

This amino acid is best known for its role in supporting mental performance under pressure. The following are some of the main benefits associated with L-Tyrosine:

  • Cognitive Support: Helps maintain attention and focus during mentally demanding tasks, especially when fatigue or stress threaten to impair performance.
  • Stress Adaptability: By promoting neurotransmitter synthesis, L-Tyrosine helps the brain adapt to environmental and psychological stressors.
  • Mood Enhancement: As a precursor to dopamine, it contributes to feelings of motivation and wellbeing.
  • Physical Endurance: Some evidence suggests improved exercise performance and reduced perceived effort in challenging conditions.

These effects are best achieved when L-Tyrosine is combined with a balanced diet and healthy lifestyle.

What Is L-Tyrosine and How Does It Work?

L-Tyrosine is an amino acid naturally found in protein-rich foods such as meat, dairy, and legumes. The body can also produce it from phenylalanine, but during periods of intense physical or mental stress, demand may outpace endogenous production. Once ingested, L-Tyrosine crosses the blood-brain barrier and is converted into neurotransmitters that regulate alertness, motivation, and cognitive function. Ensuring adequate levels supports mental resilience and sharpness.

Why Jarrow Formulas L-Tyrosine Stands Out

Jarrow Formulas is a respected brand dedicated to quality and scientific integrity. This L-Tyrosine supplement is:

  • Non-GMO and gluten-free
  • Free from common allergens: No wheat, gluten, soy, dairy, egg, fish, shellfish, peanuts, or tree nuts
  • Vegan-friendly
  • Supplied in a convenient two-bottle pack providing 200 servings total

Each capsule contains 500 mg of pure L-Tyrosine, making dosage adjustments simple. The capsules are easy to swallow and have No unpleasant aftertaste.

How to Choose the Right L-Tyrosine Supplement

When selecting an L-Tyrosine product, purity and form are critical. Jarrow Formulas uses only pure crystalline L-Tyrosine without unnecessary fillers. Capsules offer convenience and precise dosing. Typical daily dosages range from 500 mg to 2,000 mg, but individual needs vary. It is recommended to start with a lower dose and increase gradually, taking on an empty stomach for better absorption.

Frequently Asked Questions About L-Tyrosine

How quickly does L-Tyrosine work?

L-Tyrosine is absorbed rapidly, and effects can be noticed within 30 to 60 minutes, especially when taken on an empty stomach. Regular use may yield cumulative benefits.

Is L-Tyrosine safe for daily use?

Generally safe when used as directed. However, individuals with high blood pressure, thyroid disorders, or those taking MAO inhibitors should consult a healthcare practitioner beforehand.

Can L-Tyrosine help with focus during exams?

Yes, many students find it helpful for sustaining concentration during study sessions and exams, particularly when dealing with mental fatigue or sleep deprivation.

Should I cycle L-Tyrosine?

Cycling (e.g., 5 days on, 2 days off) is not required but may help maintain sensitivity for some users. Listen to your body and adjust as needed.

This product is a Natural Health Product. Always read the label and follow directions for use. Consult a health-care practitioner prior to use if you have high blood pressure, a thyroid condition, or are taking MAO inhibitors. Do not use if you are pregnant or breastfeeding. Keep out of reach of children.

Important Information

Things You Need to Know

Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

Our Blogs