4 Best Ways To Take L-Glutamine (And What To Avoid) - Draft
 

01. Which drinks to avoid mixing glutamine with?
So the first thing to know is you should avoid mixing it with anything HOT.
Which means no hot drinks, like coffee or tea. As well as no hot foods like soup or broth for example. And the main reason for this, is that hot temperatures can potentially denature or damage, the amino acids.
Photo: L-Glutamine powder is best taken with water, but you can also take it with other drinks, which we cover below
02. Which drinks are BEST for glutamine powder?
So the main drink we recommend is water. It is the perfect delivery vehicle for your precious amino acids. Our suggested use directions are to mix 1 scoop or 5 grams of L-Glutamine powder, with 8 fluid ounces or 240 mils of water.
Of course, if you don’t love the light naturally fermented flavor of glutamine, then you can mix it with flavored beverages.
- Vegetable or low sugar fruit juice
- Or if you want to get fancy even something like a chilled iced tea
- A fruit smoothie can also work
Photo: Here you can see us trying L-Glutamine with a smoothie, iced tea, juice and water. All good options!
03. The 1 cold drink to AVOID mixing L-Glutamine with
Now with all that said, there is one cold beverage you should avoid mixing it with. And that is any drink that contains a lot of protein. For example, a protein shake.
That’s because we don’t want the additional amino acids in protein, such as glycine, competing with our glutamine for uptake and absorption in your GI tract.
Evidence Based
An evidence hierarchy is followed to ensure conclusions are formed off of the most up-to-date and well-designed studies available. We aim to reference studies conducted within the past five years when possible.
- Systematic review or meta-analysis of randomized controlled trials
- Randomized controlled trials
- Controlled trials without randomization
- Case-control (retrospective) and cohort (prospective) studies
- A systematic review of descriptive, qualitative, or mixed-method studies
- A single descriptive, qualitative, or mixed-method study
- Studies without controls, case reports, and case series
- Animal research
- In vitro research
 
- Labow BI, Souba WW. Glutamine. World J Surg. 2000 Dec;24(12):1503-13. doi: 10.1007/s002680010269. PMID: 11193715.
- Gleeson M. Dosing and efficacy of glutamine supplementation in human exercise and sport training. J Nutr. 2008 Oct;138(10):2045S-2049S. doi: 10.1093/jn/138.10.2045S. PMID: 18806122.
- Lacey JM, Wilmore DW. Is glutamine a conditionally essential amino acid? Nutr Rev. 1990 Aug;48(8):297-309. doi: 10.1111/j.1753-4887.1990.tb02967.x. PMID: 2080048.