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Description
L-GlutamineL glutamine is a crucial amino acid commonly used as a supplement in cell culture and tissue culture media. It serves several important functions and has various applications in supporting cell growth and viability. Here are some of the key uses of L glutamine in tissue culture, along with a list of specific applications: Energy source: serves as a major energy source for rapidly dividing cells in culture. It can be metabolized to produce energy,
L-glutamine is a crucial amino acid commonly used as a supplement in cell culture and tissue culture media. It serves several important functions and has various applications in supporting cell growth and viability.
Here are some of the key uses of L-glutamine in tissue culture, along with a list of specific applications:
- Energy source: serves as a major energy source for rapidly dividing cells in culture. It can be metabolized to produce energy, supporting cell proliferation and growth.
- Cell metabolism: is a precursor for synthesizing nucleotides, proteins, and other important biomolecules in cells. It plays a key role in cell metabolism and biosynthesis.
- Buffering capacity: helps maintain the culture medium's pH by acting as a buffer. This is important for maintaining optimal conditions for cell growth and function.
- Cell signaling: is involved in various cell signaling pathways and can influence cell behavior, differentiation, and gene expression.
Specific applications of L-glutamine in tissue culture include:
- Mammalian cell culture: L-glutamine is commonly added to the culture medium to grow mammalian cells, including cell lines and primary cells. It is essential for their proliferation and survival.
- Stem cell culture: L-glutamine is often included in the culture media to maintain and expand stem cells, such as embryonic stem cells and induced pluripotent stem cells.
- Hybridoma culture: Hybridoma cells used for monoclonal antibody production require L-glutamine for their growth and antibody production.
- Cancer cell culture: L-glutamine is crucial for the growth and survival of cancer cells in culture. Its availability can affect the proliferation and metabolism of cancer cells.
- Virus production: L-glutamine is important for producing viruses in cell culture systems, as it supports the growth of virus-infected cells and the replication of viral particles.
Disclaimer: Results may vary depending on specific cell lines, specifications, and experimental conditions. Consult with cell culture specialists and review comprehensive literature to tailor L-glutamine's use to your specific research needs.
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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Amazon Melatonin? Amazing!
These work as well or better than some of the more expensive ones my wife usually gets. They don't dissolve in your mouth and they arent gummies. No extra sugars involved. Puts me to sleep quite well and allows me to stay asleep. No bad taste, no weird dreams. No side effects.
Absolute gem of a find on Amazon. Great price for a great night sleep.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
"Take this sinus infection!"
Size: 100 Count (Pack of 1)
I am a chronic sufferer of bacterial sinus infection. Ask me why, and I can give you some long winded explanation about a slightly deviated septum and sinus design, and a slew of other stuff that I've read and heard from my doctor. Bottom line, both you and I don't care the reasoning, but rather, preventative care. I can tell you that these Elderberry capsules help. If I get "that feeling" like a sinus infection is impending, I'll start popping two of these twice a day. 9 times out of 10, I can stave off the infection from grabbing a foothold in my sinuses long enough to let my immune system kick it completely out (without antibiotics and/or steroids).
Does it help get rid of a sinus infection already in place?: inconclusive from my experience. Once I have a sinus infection, it takes about the same amount of time to get rid of it whether or not I'm taking it. Maybe I get rid of it a day soon, but statistically that's probably considered to be "noise in the data".
Does it work for flu and other viral colds? I can't tell you that. I know that bacterial sinus infections can be precipitated by viral infections, but excluding bacterial sinus infection, I don't get sick. I've had the flu maybe twice in the last 20 years. Bottom line I have no experience with regard to using this to fight flu. Can't hurt to try though (I don't think you can OD on berries easily, could be wrong though).
Does it have any other benefits? I don't know, maybe. Again I can only speak from experience. I take them, it staves off a sinus infection. I get that there are a lot of other beneficial claims about elderberry, but I have personally never noticed/experienced them.
Is this just another homeopathic snake oil? No. While I agree that there are a lot of homeopathic "remedies" out there that don't work and are probably just a placebo effect, there are also ones out there that work. Heck, I've experienced allergic reactions to homeopathic remedies that landed me in worse trouble than before. Elderberry is a homeopathic remedy that works for me. Will it work for you? Maybe, maybe not, every body is different, and it could be that my body utilizes it due to a deficiency of something that elderberry has.
Summary (tl;dr): Get it and try the bottle once. You can take it all the time, but I find it sufficient to take them when I feel a sinus infection coming on (I mean, who *wants* to take a bunch of pills at breakfast). Berry form is probably preferable, but the capsules are convenient and store for long periods of time without getting mildew-y. The price is right, it staves off sinus infections, and probably works for staving off other colds as well. Can't hurt to find out if your body responds to it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2013
★★★★★ 5
Highly recommended!
Size: 100 Count (Pack of 1)
Sometimes these can be a bit challenging to find in my local pharmacy. I like the price and the quality. As a senior citizen, I like to give my immune system a boost from time to time. I'm not convinced of the benefits, but I figure I can't go wrong by trying these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025
★★★★★ 5
A Trustworthy Immune Booster
Size: 100 Count (Pack of 1)
I've been really happy with this supplement. It's easy to take, and it's a trusted brand - great for peace of mind. The immune support it provides is exactly what I've been seeking. Overall, it's a quality product that I would recommend to others on the hunt for an effective supplement.
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Reviewed in the United States on September 29, 2024
★★★★★ 4
Look for other options if you have trouble swallowing pills.
Size: 100 Count (Pack of 1)
I bought these to replace a 30ct gummy bottle I bought for $9.99, thinking these capsules would be easier to swallow. I was wrong, very much so, for myself anyway.
I always have struggled swallowing pills to begin with, ever since I was a child. In order to swallow pills, I must either place them on my tongue and swallow with a liquid or I must take a drink first and drop the pill into my mouth. I do the latter for these, and while I've seen so many great reviews for this product, I think I'm going to need to find something else.
Because these come in capsules, they are buoyant. As soon as I put them in my mouth, they float to the roof, which is no big deal. However, they have a semi-foul taste to me and even using flavored drinks, the flavor overpowers my drink and has, on several occasions, gave me the feeling of being close to vomiting. I was super excited for these to help with fighting against all the virus and such circulating, and boosting my immune system. If you can handle larger pills, these will definitely do great for you. I, on the other hand, will need to find something smaller with less of a foul taste for me.
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Reviewed in the United States on January 31, 2020
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