1 oz. (28grams) L Tyrosine Powder 99.8% Pure Supports brain function. May improve mental energy levels. Enhances athletic performance. L-Tyrosine is an essential amino acid which supports brain function. It can be converted by neurons in the brain into the neurotransmitters dopamine and norepinephrine (noradrenaline), hormones which are depleted by stress, excessive work and certain drugs. By replenishing norepinephrine in the brain, mental energy levels are enhanced and a feeling of contentment often occurs. L-Tyrosine is an essential amino acid which supports brain function. It can be converted by neurons in the brain into the neurotransmitters dopamine and norepinephrine (noradrenaline), hormones which are depleted by stress, excessive work and certain drugs. By replenishing norepinephrine in the brain, mental energy levels are enhanced and a feeling of contentment often occurs. L-tyrosine boosts certain neurotransmitters in the brain and has been used to support stress reduction and depression. L-Tyrosine is converted in the body into other key biologic compounds, including L-dopa, CoQ10, thyroid hormones and melanin. Tyrosine can also enhance athletic performance. L-Tyrosine is an important component of protein and helps form the bioactive factors vital to cellular growth and maintenance. Tyrosine supplementation has the potential to increase athletic performance in a few ways. One of the mechanisms possibly contributing to fatigue during exercise is an increase in central serotonin levels and an increase in the ratio of serotonin to dopamine. Tyrosine may help decrease this ratio and compete with tryptophan (the amino acid precursor to serotonin) at the blood-brain barrier. Increased dopaminergic activity may decrease the perception of fatigue. Also, during highly stressful conditions, catecholamine levels can become depleted, and tyrosine may be particularly useful under these conditions. For educational purposes only This information has not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease. If you are looking for larger quantities, or other herbs not listed, please inquire with “Ask seller a question” If you have a problem with your purchase, please contact me first before leaving feedback, so we can reach resolution promptly and efficiently. I intend to please and am always honest and reasonable in my business transactions for over 10 years. Bid With Confidence! Read my feedback. I’m a very interactive seller and have high marks for cooperative selling. I guarantee this will be a positive EBay experience for you. The information in the listing is just a brief description found on the internet that describes the item, please do your own research before purchasing, or contact a health professional for futher information about this item. Ebay does not allow me to give any medical advice pertaining to any of the herbal tems 1 Ounce (oz) = 28 Grams(gm) = 28000 Milligrams(mg) Please Note: As I do my best to keep the pictures in the description current, The color, cut, and packaging may vary slightly as I do not purchase more than I can sell in a couple months, and these can be different from batch to batch. Be assured that you are receiving the item you purchased Shipping for each additional item is $0.25 if all items are paid for in one Paypal transaction. Shipping discounts should automatically be applied when you check out, If not, Please click “Request Total”. If you choose to pay for items individually, the shipping discount will not be applied. Please note: Feedback is left automatically, once it is received…. If you plan on purchasing multiple items, all you need to do is add them to your cart first, then click checkout when finished, then all items will have discounted shipping charges.if you do pay for the items individually, they will be shipped by individually, so if you want to save money on your order, add to cart first. If you plan on purchasing multiple items, all you need to do is add them to your cart first, then click checkout when finished, then all items will have discounted shipping charges.if you do pay for the items individually, they will be shipped by individually, so if you want to save money on your order, add to cart first.