SKU: 53329890825

Natural Factors L-Tyrosine 500mg - 60 Capsules

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Description

Natural Factors L-Tyrosine 500mg - 60 CapsulesL tyrosine is an amino acid which helps restore dopamine and norepinephrine, two neurotransmitters important for maintaining mood, and which become depleted by stress, including prolonged work or exercise, exposure to cold, and sleep deprivation. Supplementing with Natural Factors L Tyrosine helps the body manage stress, and improve mood, energy levels, and alertness. Alleviates both the mental and physical effects of stress Helps balance mood, and

L-tyrosine is an amino acid which helps restore dopamine and norepinephrine, two neurotransmitters important for maintaining mood, and which become depleted by stress, including prolonged work or exercise, exposure to cold, and sleep deprivation. Supplementing with Natural Factors L-Tyrosine helps the body manage stress, and improve mood, energy levels, and alertness.

  • Alleviates both the mental and physical effects of stress
  • Helps balance mood, and maintain attention, focus and cognition by restoring the neurotransmitters dopamine and norepinephrine
  • Helps decrease cognitive fatigue due to physically stressful situations
  • Normalizes heart rate and blood pressure under conditions of stress
  • Provides potent antioxidant protection to cells
Ingredients
Each vegetarian capsule contains:
L-tyrosine 500 mg

Non-Medicinal Ingredients

Vegetarian capsule (carbohydrate gum [cellulose], purified water), dibasic calcium phosphate dihydrate, vegetable grade magnesium stearate (lubricant), silica.  
Suggested Use
L-tyrosine is a non-essential amino acid important in the production of neurotransmitters such as dopamine, epinephrine, and norepinephrine – required for managing stress. It helps decrease cognitive fatigue due to physically stressful situations and promotes normal and healthy brain function including memory and concentration. It also supports normal muscle movement.
Advanced Info

L-tyrosine is an amino acid required for protein synthesis, and is a precursor for several important compounds, including thyroxin, melanin, and the neurotransmitters dopamine and norepinephrine. Dopamine and norepinephrine are important hormones and central nervous system transmitters that help maintain mood, attention and focus, and cognition. By increasing dopamine and norepinephrine at the cellular level, tyrosine may help maintain neurological health and improve mood, cognition, attention, and memory.

Tyrosine is a potent antioxidant and appears to act as an adaptogen during conditions of physical and mental stress, as shown by its ability to normalize blood pressure, alleviate fatigue, and improve cognitive function, attention, psychomotor skills, and memory. These effects may be due to tyrosine’s ability to affect brain chemicals and promote positive changes in brain pathways.

Tyrosine helps alleviate some of the effects of stress. Studies in humans show supplementation with tyrosine improves various aspects of cognitive function and physical symptoms of fatigue during exposure to physical stressors such as cold, high altitude, and extended wakefulness. Improvements are thought to be due to balancing brain chemicals and improving cognitive function.

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Exchange/Return Notes
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SKU: 53329890825

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4.8 ★★★★★
Based on 13 reviews
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Pamdirac
Grantham, US
★★★★★ 5
Comfortable to use with firm support
This set of queen-size pillows has a great balance between softness and support. The down alternative fill feels plush and comfortable. The pillows also provide enough firmness to support the neck and shoulders. A better sleep quality achieved with less tossing and turning. For sleeping on side, back, or stomach, the pillows keep their shape and offer consistent comfort. A good choice for the improvement of sleep quality with more comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025
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Verified Purchase
ladyesmiles
Dallas, US
★★★★★ 5
Very comfortable and supportive.
I really am quite amazed with these pillows. As with most people who suffer from neck and back pain it's almost impossible to find a comfortable pillow. One year I must have went through 20 sets trying to find the right pillow. I received these and they were flat in the package. All you have to do is take them out and fluff them up a little bit with your hand and let them sit overnight. What's really nice about these is they are soft and cushy but they have a support that does not flatten when you lay down. Of note when I was looking for pillows, I noticed that these had a price of $110 which was crossed out and then a huge discount. Looking at the item now I see that the top price for the king size is $42. So I'm going to say that $110 was a comparison of what a good pillow might cost. I do want you to know that a set of pillows that I had been using were $200 a piece and these are very comparable to that. I am not having any issues overheating with these as I have a very nice cover on them. They are washable. My neck feels totally better. So all in all I am quite impressed with these pillows and very surprised that the first set I ordered is working perfectly for me. I am a side sleeper and needed my neck to be straight and these do the job with a nice little cushion on them.
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Reviewed in the United States on April 29, 2026
K
Verified Purchase
Kathleen Regan
Fort Morgan, US
★★★★★ 5
The BEST pillow you will ever sleep on!!
The BEST pillow you will ever purchase!! Right amount of firmness and support yet soft!! Quite the sleep enhancer!!
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Reviewed in the United States on May 27, 2026
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Gardening 1
Los Angeles, US
★★★★★ 1
FLAT
Flat as a pancake. No support. No fluff. very incomfortable. Returning,
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Reviewed in the United States on May 1, 2026
M
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Magpie
New York, US
★★★★★ 3
Get their newer version. These were too flat.
Really thin/flat pillows
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Reviewed in the United States on May 11, 2026

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