Category Archives: L-arginine

L-Arginine for Sexual Function

Posted on October 11, 2024 by Robert Barrington

L-arginine is a proteinaceous amino acid that is present in all complete proteins and widely distributed in most foods to varying degrees. Intakes of L-arginine in a typical diet are present in gram amounts and this L-arginine is used for … Continue reading →

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L-Arginine and L-Lysine: Growth Hormone

Posted on September 19, 2023 by Robert Barrington

L-arginine and L-lysine administration may have some interesting physiological effects. In particular, 1200 mg of L-arginine in combination with 1200 mg of L-lysine caused a significant release of pituitary somatotrophin and insulin in one study when administered intraveneously. This effect … Continue reading →

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Beetroot Powder and L-Arginine

Posted on September 12, 2023 by Robert Barrington

Nitric oxide is an important cellular second messenger and may have a number of beneficial health effects. This relates to a number of factors that may decrease levels of nitric oxide in cells, particularly increased free radical activity. Supplements of … Continue reading →

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L-Lysine and L-Arginine and Cortisol

Posted on August 3, 2023 by Robert Barrington

Supplementation with L-lysine has been shown to reduce anxiety in humans. This is interesting as L-lysine does not directly become converted to neurotransmitters, which is the case for some other amino acids such as L-tyrosine and L-phenylalanine. Therefore the anti-anxiety … Continue reading →

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Arginine and Ornithine for Resistance Training

Posted on July 19, 2023 by Robert Barrington

Arginine is not an essential amino acid. However under conditions of extreme stress, including intensive exercise, the demand for arginine by cells and tissues can outsrip the rates of synthesis and so arginine is considered semi-essential. Arginine is able to … Continue reading →

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L-Arginine and L-Lysine on Growth Hormone Release

Posted on July 18, 2023 by Robert Barrington

Growth hormone has a wide range of effects in humans and animals. In particular, growth hormone is perhaps best known for its muscle building and fat reducing properties. Optimising growth hormone is therefore beneficial in those that wish to maintain … Continue reading →

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L-Citrulline and Nitric Oxide

Posted on July 7, 2023 by Robert Barrington

Nitric oxide is a second messenger that has a wide variety of roles in human nutrition. Many of the pathways in the brain use nitric oxide as a primary signal mechanism and in this role it functions as a neurotransmitter. … Continue reading →

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Arginine as a Growth Hormone Stimulant

Posted on June 29, 2023 by Robert Barrington

Arginine is a non-essential amino acid that becomes essential under certain conditions such as accelerated growth. Evidence suggests that arginine may cause an increase in growth hormone response which has made the amino acid of interest to athletes who require … Continue reading →

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The Cardioprotective Effects of Walnuts

Posted on December 21, 2014 by Robert Barrington
Posted in Alpha Linolenic Acid, Cardiovascular Disease, Ellagic Acid, Endothelial Dysfunction, Essential Fatty Acids, L-arginine, Nitric Oxide, Walnuts | Comments Off on The Cardioprotective Effects of Walnuts

Arginine and Wound Healing

Posted on September 30, 2014 by Robert Barrington

Arginine is a non-essential amino acid in humans. Foods high in arginine include peanuts, walnuts, almonds, chocolate, as well as some seeds. Arginine has been of interest to nutritionists for some time because of a possible role in wound healing, … Continue reading →

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