Ingredient guide
L-Theanine Supplement in Neuro Mind Pro: 50 mg and What Is Known
L-theanine is the fourth line on the Neuro Mind Pro label image, at 50 mg per capsule. Memorial Sloan Kettering says data in humans are limited and gives no studied amount in the page we cite. It lists cautions with sleep medicines and in pregnancy. The label image lists no caffeine.
Written by the Neuro Mind Pro label deskUpdated
The line01
What is L-theanine in Neuro Mind Pro?
L-theanine is an amino acid and the fourth line on the label image supplied to us. It is listed at 50 mg per capsule, with no Daily Value established.
Memorial Sloan Kettering describes it as a chemical found in green and black tea (MSK, About Herbs: L-Theanine). The Neuro Mind Pro label image lists no tea and no caffeine, so the line is L-theanine on its own, not a tea extract. We write that the label image lists no caffeine; check your own bottle.
The brand says the product is designed to support “cognitive function and mental clarity”. That wording belongs to the brand. We found no study of this product, and the source we cite for L-theanine does not tie 50 mg to any such outcome.
mg per capsule
The amount printed on the label image.
caffeine listed
The label image lists none. Tea studies involve caffeine, which is a separate substance.
studied amounts
The page we cite gives no amount, so we cannot compare.
The evidence02
What does Memorial Sloan Kettering say about L-theanine?
It lists sleep quality, anxiety and stroke risk as purported uses, says data in humans are limited, and says small studies suggest better sleep while results on anxiety are mixed (MSK, About Herbs: L-Theanine).
A purported use is a use people claim, not one that is established. We do not claim any of them. The page we cite gives no studied amount, so we cannot say how 50 mg compares. Where we have no figure, we leave a gap. Supplements are not approved by the FDA before they are sold (FDA, Questions and Answers on Dietary Supplements), so the amount on the label is the seller's statement and the bottle that arrives wins.
| Topic | What the source says |
|---|---|
| Purported uses | Sleep quality, anxiety, stroke risk |
| Human data | Limited |
| Sleep studies | Small studies suggest improvement |
| Anxiety studies | Mixed |
| Studied amount | Not stated in the page we cite |
| With caffeine | Results mixed; the label image lists no caffeine |
NCCIH covers sleep on its own page (NCCIH, Sleep Disorders and Complementary Health Approaches). Poor sleep has many causes, and a doctor can look for them. Our sleep and brain health guide has more.
Side effects03
What are the side effects of L-theanine?
Memorial Sloan Kettering says side effects of the supplement have not been reported (MSK, About Herbs: L-Theanine). That is a statement about reports in that source, not a promise that none will occur for you.
Effects people link to tea come from caffeine, which is a different substance, and the label image lists none. Any capsule can upset a stomach or cause a reaction, so stop taking it and call a doctor if something worries you, and tell a pharmacist about the capsules you use. See side effects for the whole label, because the other four lines have more to say than this one.
Medicines04
Should you ask first if you take sleep medicine?
Yes. Memorial Sloan Kettering names sleep medicines such as lorazepam, diazepam and zolpidem, where drowsiness may increase. It also says L-theanine may not be safe in pregnancy or breastfeeding, and lists chemotherapy (MSK, About Herbs: L-Theanine).
Drowsiness matters if you drive or run machinery. We do not call L-theanine safe with any medicine, and we never suggest stopping or changing one. The FDA advises telling your health care team about every supplement (FDA, Mixing Medications and Dietary Supplements Can Endanger Your Health).
take sleep medicine, take anxiety medicine, are pregnant or nursing, are having chemotherapy, or take any prescription. Keep taking what you were prescribed.
- Sleep medicine: drowsiness may increase
- Pregnancy or breastfeeding: may not be safe
- Chemotherapy: listed by the source
- Any other medicine: the label says to consult a physician with a known medical condition
Tea and capsules05
Is an L-theanine capsule the same as drinking tea?
No. Tea holds L-theanine together with other compounds, including caffeine. The capsule on the label image carries L-theanine alone, plus four other lines, and the image lists no caffeine.
That matters when you read studies. Memorial Sloan Kettering says results of caffeine and L-theanine together are mixed (MSK, About Herbs: L-Theanine). Those studies tell you about a pair, and this label image lists only one of the two. The FDA has its own page on caffeine for people who want to know how much they take from other sources (FDA, Spilling the Beans: How Much Caffeine Is Too Much?).
| Point | Cup of tea | Neuro Mind Pro line |
|---|---|---|
| L-theanine | Present, amount varies | 50 mg per capsule |
| Caffeine | Present, amount varies | Not listed on the label image |
| Other lines | Not applicable | BCAAs, bacopa, rhodiola, ginseng |
If you drink tea or coffee, the other lines on this label still need a pharmacist check. See all five ingredients.
The amount06
Why is there no dose comparison for L-theanine?
The page we cite gives no studied amount, and we do not fill the gap from memory. The dose-gap bars on this site show BCAAs, bacopa and ginseng only.
A comparison needs a source and a number. Without them, a statement like “50 mg is low” or “50 mg is typical” would be a guess, and a guess in a health page can mislead. If you want the amounts used in studies, ask a pharmacist or read the original papers with your doctor.
Read the label
50 mg per capsule, one capsule a day, per the label image.
Check your medicines
Use the list above and ask a pharmacist.
Watch the timing
The label image says 20 to 30 minutes before a meal with 8 oz of water. That timing is a label instruction, with no source behind it.
Memory and sleep complaints can have treatable causes (NCCIH, 7 Things To Know About Dietary Supplements for Cognitive Function, Dementia, and Alzheimer’s Disease). For the full formula see bacopa, rhodiola and the label page.
FAQ07
Neuro Mind Pro questions people ask
How much L-theanine is in Neuro Mind Pro?
The label image supplied to us lists 50 mg of L-theanine per capsule, with no Daily Value established.
What is L-theanine?
Memorial Sloan Kettering describes it as a chemical found in green and black tea. In this product the label image lists L-theanine on its own, with no tea and no caffeine.
Does L-theanine help sleep?
Memorial Sloan Kettering says small studies suggest better sleep, data in humans are limited and anxiety results are mixed. We found no study of this product.
Does Neuro Mind Pro contain caffeine?
The label image lists no caffeine. We write it that way because we cannot tie an image to a specific bottle. Check yours.
What are the side effects of L-theanine?
Memorial Sloan Kettering says side effects have not been reported for the supplement. That is not a promise for every person.
Can I take L-theanine with sleep medicine?
Ask first. The source names lorazepam, diazepam and zolpidem, where drowsiness may increase. Keep taking prescribed medicine.
Is L-theanine safe in pregnancy?
The source says it may not be safe in pregnancy or breastfeeding. The label image also tells pregnant or nursing mothers to consult a physician.
Who wrote this08
Written and reviewed by
Pages built from the bottle label and linked NIH, CDC, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a U.S. retail partner for Neuro Mind Pro. It is not the manufacturer, and it is not the sales page where orders are placed. We earn money when you buy through our order links.
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