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Where to buy L-Tryptophan around the World

L-Tryptophan is an amino acid (building-block of proteins) that is found all around the world. Most people chose to buy their L-Tryptophan from reputable online vendors who sell their own manufactured L-Tryptophan. This makes the process much easier and is often cheaper than locating other sources of L-Tryptophan supplements. Shipping is easy and effective, too.

In this article, we’ll explore where you can buy L-Tryptophan around the world – in the USA, Canada, and Australia. We’ll also look into the foods that contain high concentrations of L-Tryptophan, as well as where you find L-Tryptophan in your body.

woman on laptop buying l-tryptophan You can buy l-tryptophan from the comfort of your home

Which foods contain L-Tryptophan?

L-Tryptophan is found in high concentrations in a number of food sources. These include foods that are high in protein like meats, dark leafy green vegetables, nuts, and dairy. According to Self Nutrition, a great resource for nutritional data on foods, the top five food sources of L-Tryptophan are:

  1. Sea lion kidney (Alaska)
  2. Elk (game meat) – cooked and roasted
  3. Raw spirulina (seaweed)
  4. Soy protein isolate
  5. Raw chopped spinach[1]

Where to buy L-Tryptophan in the USA

There are loads of options to buy L-Tryptophan in America. The most common form of L-Tryptophan that you’ll find is L-Tryptophan in a protein shake mix. People looking to build muscle mass or increase their protein intake often take protein shakes that are high in L-Tryptophan.[2]

If you’re looking for pure L-Tryptophan, you may need to seek out your local alternative health store. You should be able to find L-Tryptophan in most alternative health stores around the country.

L-Tryptophan is sold in Liftmode's online store Liftmode's L-tryptophan, 98+% purity

However, the best way to buy L-Tryptophan is through a reputable online vendor. Buying L-Tryptophan online is a great idea for a number of reasons:

  1. It’s easier – you can buy from the comfort of your home
  2. Delivery time is really fast
  3. You’ll find higher quality and higher purity Tryptophan online
  4. It’s cheaper – health stores have to pay rent and mostly resell L-Tryptophan that was bought wholesale. Many reputable online vendors manufacture their own high-quality L-Tryptophan

 

Where to buy L-Tryptophan in Australia and Canada

There are a number of online vendors selling L-Tryptophan in both Australia and Canada. These are great sources of L-Tryptophan. However, most of the vendors we looked at were reselling products from various different brands.

While this is not necessarily a big issue, it is sometimes nicer to find a good brand that you can trust to deliver the highest quality goods. Liftmode suppliers produce the highest quality and purity l-tryptophan – over 98% purity guaranteed! Sometimes it works out better to pay a slight premium for higher quality goods that are shipped directly from the supplier.

 

Where L-Tryptophan is found in your body

L-trytophan vs 5-htp Liftmode's 5-HTP, another potent mood-booster,98+% pure

L-Tryptophan is an amino acid that is found in a number of foods. Amino acids are the building blocks of proteins. L-Tryptophan is one of a few amino acids and amino acid derivatives that are physiologically active at higher doses.[3] For other great amino acids, check out 5-HTP, a molecule that is produced in your body from L-Tryptophan, or L-theanine, a calming amino acid.

L-Tryptophan has to cross the blood-brain barrier to deliver its mood-lifting effects in your brain. Before it can cross the blood-brain barrier, some L-Tryptophan is converted into niacin in your liver.[4] Niacin is an important molecule. So, the places you’ll find the most L-Tryptophan in your body are your liver and your central nervous system, as well as in the building blocks of proteins (in muscles, cells membranes, and tissues).[5]

 

Conclusion

In conclusion, L-Tryptophan is a mood-lifting and sleep-enhancing dietary supplement that is found in a number of food sources. It is converted into serotonin both in your central nervous system and in your liver.

You can buy L-Tryptophan from alternative health shops or directly from suppliers online. Many US-based online vendors ship overseas, for example to Canada or Australia, for very a reasonable price.

 

References:

[1] Foods highest in Tryptophan, Self Nutrition Data, retrieved on 20 October 2016

[2] Effect of dietary tryptophan on muscle, liver and whole-body protein synthesis in weaned piglets: relationship to plasma insulin, NO Cortamira et al., Br J Nutr. 1991 Nov;66(3):423-35.

[3] Tryptophan: What Does It Do?, Erik Strand, Psychology Today online, September 2003, reviewed July 2016, retrieved on 20 October 2016

[4] Niacin-Tryptophan Relationships in Man and Niacin Requirement, GA Goldsmith, MA, Am J Clin Nutr September 1958, vol. 6 no. 5 479-486

[5] L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications, DM Richard et al., Int J Tryptophan Res. 2009; 2: 45–60, Published online 2009 Mar 23.