Ingredient profile
L-Arginine in MemoHoney: Should the Two Arginine Lines Worry You?
Each MemoHoney capsule carries two arginine lines of 200 mg, one plain and one AKG 2:1, for 400 mg in all. Trials using 2 to 20 grams daily mostly found nitric oxide did not budge (NIH ODS, Exercise supplements). Mayo Clinic lists no memory use. It warns against arginine after a recent heart attack and with several heart drugs (Mayo Clinic, L-arginine).
Written by the MemoHoney editorial teamUpdated
On the label
How much L-arginine does one MemoHoney capsule hold?
400 mg of arginine ingredients, printed as two separate lines of 200 mg each.
| Label name | L-Arginine (base) |
|---|---|
| Scientific name | Amino acid |
| What it is | Amino acid |
| Position in the list | 3 of 7 (each line shows its own amount) |
| Per capsule | 200 mg |
| Amount used in research | Exercise studies used 2-20 g a day; Mayo lists no memory use |
| Strength of evidence | No memory evidence |
| Traditional or marketed use | Building block the body turns into nitric oxide |
| Main caution | Avoid after a recent heart attack; can drop blood pressure; ask first with heart, blood pressure or ED drugs. |
Arginine makes up the largest share of the capsule. The two lines together outweigh the other five combined. Compare all seven on the ingredient overview.
Base and AKG
L-arginine base vs L-arginine AKG 2:1: what is the difference?
One is the free amino acid. The other is arginine joined to a second compound, so it weighs more per unit of arginine.
| Detail | L-Arginine (base) | L-Arginine AKG 2:1 Extract |
|---|---|---|
| Amount per capsule | 200 mg | 200 mg |
| What it is | Arginine on its own | Arginine paired with alpha-ketoglutarate (AKG) |
| Arginine inside | The full 200 mg | Less than 200 mg; the label gives no split |
| Meaning of "2:1" | Not used | Not explained on the label |
| Why both are used | Not stated by the label or the sales page | |
AKG forms are common in gym products. Marketers often say the pairing absorbs better. We have no source for that, and MemoHoney's label does not claim it.
Risk check
Should I worry about the L-arginine in MemoHoney?
For a healthy adult on no heart drugs, the amount is modest. For some people, any arginine needs a doctor's view first.
Studies summarized by NIH found intakes as high as 9 g daily were well tolerated over short periods (NIH ODS, Exercise supplements). A capsule holds a small slice of that. The concern is not the size of the dose. It is who takes it.
Healthy adults, no daily medicines
Stomach upset is the usual complaint, and mostly at grams a day. Follow the one-capsule label limit.
Heart, blood pressure, sugar or blood-thinning drugs
Mayo Clinic names several drug groups that can interact. A pharmacist can check your list.
A recent heart attack
Mayo does not recommend L-arginine in this case, since it could raise the chance of dying (Mayo Clinic, L-arginine).
Interactions
Which medicines can clash with L-arginine?
Mayo Clinic lists seven groups. Most share one theme: blood pressure falling too far.
| Medicine group | Possible result with arginine |
|---|---|
| Blood pressure drugs | Pressure drops lower than planned |
| Nitrates for chest pain | Pressure drops lower than planned |
| Sildenafil | Pressure drops lower than planned |
| Isoproterenol | Pressure drops lower than planned |
| Anticoagulants and antiplatelets | Higher chance of bleeding |
| Diabetes medicines | Blood sugar may run low |
| Potassium-sparing diuretics | Potassium may climb too high |
Show the bottle to your doctor or pharmacist before the first capsule (Mayo Clinic, L-arginine). Keep taking your prescribed medicine. Any change to it is your prescriber's decision.
The journal piece on arginine and heart medicines goes further.
Side effects
What side effects are linked to L-arginine?
Mostly stomach trouble. Mayo Clinic adds a few less common reactions.
- Nausea, belly pain, diarrhea or bloating
- Gout
- Allergic reactions
- Airway swelling, or asthma that gets worse
Mayo calls oral L-arginine generally safe (Mayo Clinic, L-arginine). In NIH's summary, an upset stomach and a small dip in blood pressure appeared at 9 to 30 g a day (NIH ODS, Exercise supplements). That is far above one capsule. See all seven lines on the side effects page.
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Order nowYour check
A 4-step arginine check before your first MemoHoney capsule
Ten minutes of homework covers the main risks.
Write down everything you take
Prescriptions, over-the-counter pills and other supplements all count.
Look for arginine elsewhere
Pre-workout and "nitric oxide" powders often contain it. Add those amounts to the 400 mg here.
Match your list to the table
Any blood pressure, chest pain, ED, blood-thinning, diabetes or water pill? Ask your pharmacist first.
Watch the first weeks
Note stomach upset or feeling faint. If either shows up, pause MemoHoney and phone your doctor.
The claim
Can L-arginine lift nitric oxide or help memory?
Not reliably for nitric oxide, and no memory use appears in Mayo Clinic's review.
The sales page suggests MemoHoney increases blood flow to the brain. Arginine is a building block for nitric oxide, a gas that widens blood vessels. That is the theory.
The trials point the other way. In exercise research, nitric oxide levels and blood flow mostly stayed flat, even at gram doses (NIH ODS, Exercise supplements). Mayo lists angina, high blood pressure, preeclampsia, peripheral artery disease and erectile dysfunction, with no cognitive use (Mayo Clinic, L-arginine).
Studies on arginine and memory are mostly in animals or at an early stage. None used a 400 mg capsule.
Dose gap
400 mg against 2 to 20 grams
The numbers that matter, side by side.
Figures from NIH ODS (NIH ODS, Exercise supplements). The label limit is one capsule, so the gap stays.
Keep comparing
How does arginine fit with MemoHoney's other ingredients?
It pairs with citrulline, which the body turns into arginine.
The L-citrulline profile covers that second pair of lines. If arginine is a concern for you, the who-it-suits guide lists other checks.
FAQ
L-arginine questions from MemoHoney buyers
What does AKG 2:1 mean on the MemoHoney label?
AKG stands for alpha-ketoglutarate, a compound the body uses in energy production, joined here to arginine. "2:1" commonly refers to the ratio of the two parts, but the MemoHoney label does not explain it. Part of the 200 mg is AKG, so the arginine content is lower.
Is 400 mg of L-arginine a day too much?
For most adults it is a modest amount. Research reviewed by NIH used far more, and doses up to 9 g caused few problems (NIH ODS, Exercise supplements). The bigger question is your health history and medicines.
Who should not take L-arginine?
Mayo Clinic advises against it after a recent heart attack (Mayo Clinic, L-arginine). Anyone using sildenafil, nitrates, a blood thinner, diabetes pills, a potassium-sparing water pill or blood pressure drugs should ask a doctor first. The label also asks pregnant or nursing women and anyone under 18 to check.
Will MemoHoney's arginine raise my nitric oxide levels?
Probably not in any measurable way. Even 2 to 20 grams a day rarely moved nitric oxide or blood flow in exercise trials (NIH ODS, Exercise supplements). A MemoHoney capsule supplies 400 mg.
Can I take L-arginine with blood pressure medicine?
Only with your doctor's approval. Mayo Clinic says the pair may drop your pressure further than intended (Mayo Clinic, L-arginine). Take the MemoHoney bottle to your next visit or show it to your pharmacist.
Is L-arginine safe with sildenafil?
Mayo Clinic lists sildenafil as an interaction, because both can lower blood pressure (Mayo Clinic, L-arginine). Ask the doctor who prescribed it before adding any arginine product, MemoHoney included.
Does L-arginine help with brain fog or memory?
No reliable evidence says so. Mayo's L-arginine review lists heart and circulation uses and no memory use (Mayo Clinic, L-arginine). Memory trouble can come from medicines, low vitamin B12 or depression (MedlinePlus, Memory loss), and a doctor can check for those.
Who wrote this
Written and reviewed by
Plain-language pages built from the label, the sales page and linked public health sources.
Page last updated . Read our editorial standards and how we check the reviews. This website is run by a U.S. shop that sells MemoHoney, not by the maker (the label says distributed by Instituto Experience, Ogden, UT). This site earns money when you buy through its order links.
Keep reading
More about MemoHoney
L-citrulline
Two citrulline lines, 200 mg in all, set against the 3 to 8 gram doses researchers actually used.
Read more
Side effects
Each label line checked for side effects, the medicines that clash with L-arginine, and when to stop.
Read moreL-arginine and heart medicines
Why the arginine in a memory capsule matters if you take heart or blood pressure medicine, and what to ask a pharmacist.
Read moreOfficial U.S. MemoHoney shop
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