Doctors Best

L-Citrulline

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Power up your workout with L-Citrulline to support circulation as well as muscle building and recovery from exertion.

$68.90
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Product overview

Doctor's Best L-Citrulline is a well-studied amino acid precursor to L-Arginine which is responsible for building muscle and supports nitric oxide (NO) production, a key molecule involved in a variety of essential biological functions throughout the body, particularly in supporting the regulation of vascular tone and improving blood oxygenation for improved stamina and recovery from exertion.

  • Supports circulation, vascular tone and muscle maintenance.
  • Plays a role in Nitric Oxide (NO) metabolism and vascular dilation.
  • Effectively raises L-Arginine levels responsible for higher protein synthesis and protein content in muscle during exercise.
Why L-Citrulline?

L-Citrulline, commonly found in founds such as watermelon, cucumbers and squash, is one of three dietary amino acids involved in the urea cycle that detoxifies ammonia by converting it to urea for excretion from the body. It's also a natural precursor to the amino acid L-Arginine, which is poorly available for cells in the body as a significant portion is broken down in the intestines before it reaches the circulation. Research has shown that L-Citrulline is more effective than L-Arginine in raising circulating L-Arginine levels because it is able to bypass metabolism in the gastrointestinal tract and liver.

How does it work?

L-Citrulline is able to raise levels of L-Arginine in the body which is an essential precursor for the body's natural muscle building process. It also supports muscle fatigue recovery through the elimination of ammonia. L-Citrulline plays an important role through its conversion and support of L-Arginine in the regulation and metabolism of nitric oxide (NO) in the body. Increased nitric oxide promotes the dilation of blood vessels which improves blood flow, and the degree of oxygenation available to cells throughout the body.

Ingredients
L-Citrulline (Kyowa Quality) 3 g. Other ingredients: None.
Does not contain: GMO, Gluten, Soy, Artificial Flavours, Colours, Preservatives. 100% vegan.
Suggested Use
Recommended intake:
Suggested Adult Use: Take 1 scoop daily with 250 ml water or juice, before workouts, or as recommended by a health practitioner.
Cautions
  • Do not use in conjunction with vasodilating medications.
  • If pregnant, nursing, have thyroid or kidney problems, or using blood thinning medication, consult a healthcare practitioner prior to use.
  • Store in a cool dry place.
  • Do not use if safety seal is broken or missing.
  • Keep out of reach of children.
  • Always read the label and use as directed. If symptoms persist see your healthcare practitioner.

The Doctor's Best difference

Doctor's Best is not interested in fads, trends or quick fixes. They want to know what works, how it works, and why it works, well before they offer it to you. They collaborate with nutritional scientists who are developing new ingredients and they study their clinical findings to determine the most effective way to provide the desired results. On every bottle, Doctor's Best lists all the ingredients, describes how the product works, and cites studies that support claims because they know getting all of your questions answered is what matters most.

Quality ingredients

Only trademarked, branded, and high-quality materials are used in Doctor's Best products; they are matched to the specific ingredient and strength studied in the clinical studies. All raw materials are verified for quality, added assurance that you'll never find substitutes in their products. Many of the products are non-GMO, gluten free, soy free and vegetarian or vegan. Doctor's Best use only cGMP-certified manufacturing facilities and their products are all GMP-certified, meaning consumers can be assured that the product is of an extremely high standard and contains nutrients targeted at sepcific health needs.

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