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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SKU: 53329890825

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4.5 ★★★★★
Based on 18 reviews
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A
Verified Purchase
Anny Fit
Waukegan, US
★★★★★ 5
Amazing and cute
Size: Small, Color: Pink, Size: Small, Color: Pink
I have a puppy who absolutely adores her toys, especially now that she’s teething! I picked out some pink ones that are just right for her—she’s only 2 1/2 months old and weighs 2 lbs. The best part is the variety of toys she loves to play with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
S
Verified Purchase
Shopcraftexplore
Charlottesville, US
★★★★★ 5
Built to Chew, Designed to Last – A Teething Pup’s Best Friend!
Size: Small, Color: Pink
These puppy chew toys are adorable and well made! I picked the pink set for my girl, but they come in several color options to suit any pup’s personality. So far, she hasn’t destroyed a single one — which says a lot, because she’s definitely in her teething phase. That said, I do wish she’d chew on the toys more than she chews on me — ha! She seems to enjoy them most when I’m playing with her, so they’ve become a fun bonding tool. I also really appreciate that a couple of the toys can hold small treats. That keeps her entertained a bit longer and gives my hands a much-needed break. Overall, this is a great little starter kit for teething puppies. Durable, cute, and interactive — we’re both happy with it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2025
K
Verified Purchase
KG
Houston, US
★★★★★ 1
Bad Qualify - Toxic Plastic, Not Good or Safe
Size: Small, Color: Purple
These are toxic micro-plastic toys. They are especially bad for teething puppies sharp teeth. Within an hour of playing, pieces began to chip off and easily falling apart. If you don’t heed this warning to buy something else, at least monitor your dog when in use, never leave unattended and plan to throw them away when they start to break down. It’s a shame because the set is really cute and has ideal texture my dog loved with a nice variety of shapes. Not worth the risk though for a member of the family.
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Reviewed in the United States on February 26, 2026
L
Verified Purchase
Lily
Omaha, US
★★★★★ 4
its okay
Size: Small, Color: Green
This set of 4 puppy toys is overall decent and a good option for light play. The toys are cute, soft, and my puppy enjoyed playing with them right away. They are great for gentle chewing, carrying around, and interactive play, especially for younger or less aggressive puppies. However, if your dog is very active or a strong chewer, these toys don’t last very long. In our case, they started to tear fairly quickly with regular play. They’re definitely not indestructible and won’t hold up well for high-energy dogs who like to chew hard. Overall, I’d say these toys are fine for the price and okay for casual use, but they’re better suited for calmer puppies rather than very active ones. If your puppy loves intense chewing, you may need something more durable.
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Reviewed in the United States on December 17, 2025
F
Verified Purchase
F L.Figueiro
Birmingham, US
★★★★★ 5
Excellent
Size: Small, Color: Blue
Excellent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026

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