What Are the Melonex Ingredients?
Answer: Melonex's brand names three amino acid compounds: L-Citrulline DL-Malate, L-Arginine Alpha-Ketoglutarate (as a dihydrate) and L-Arginine Hydrochloride. Together they supply arginine, which the blood vessel lining uses to make nitric oxide. Per-serving amounts and the full list are on the Supplement Facts panel of the bottle.
| Ingredient | Form / role | Evidence level |
|---|---|---|
| L-Citrulline DL-Malate | Amino acid · arginine precursor | Small trials, mixed |
| L-Arginine Alpha-Ketoglutarate | Amino acid · arginine bound to AKG | Limited, mostly sports studies |
| L-Arginine HCl | Amino acid · nitric oxide substrate | Small, mixed; modest effects |
Read these cautions first
Blood pressure medicine, nitrates and erectile dysfunction drugs: arginine may add to their blood-pressure-lowering effect. Ask your doctor before use; you may be asked to check your pressure more often. Signs of pressure falling too low include dizziness and lightheadedness when you stand.
After a heart attack: L-arginine is not advised after a recent heart attack unless your cardiologist approves it. The same applies if you have heart failure or are waiting for a procedure.
Kidney, liver, pregnancy and stomach: ask your doctor before use if you have kidney or liver disease, diabetes, low blood pressure or a history of cold sores, or if you are pregnant or nursing. Stomach upset, bloating and loose stools are the most common complaints with amino acids (MedlinePlus: Dietary Supplements).
L-Citrulline DL-Malate
Citrulline is an amino acid found in watermelon. The kidneys turn it into arginine, and studies show citrulline can raise blood arginine levels more steadily than arginine itself. Small trials look at blood flow and blood pressure with mixed, modest results. The malate part is a salt of malic acid, a compound found in fruit. Read the source.
L-Arginine Alpha-Ketoglutarate
Arginine paired with alpha-ketoglutarate (AKG), a compound the body uses in its energy cycle. It is popular in sports formulas. Research on this specific form is limited and mostly in athletes, so we treat it as a second source of arginine rather than a headline. Read the source.
L-Arginine HCl
Arginine is the amino acid the lining of your blood vessels uses to make nitric oxide, the signal that tells vessel walls to relax. Reviews of arginine supplements report small, inconsistent effects on blood pressure. It can add to blood pressure medicines, nitrates and erectile dysfunction drugs, so ask your doctor first. Read the source.
What about the capsule itself?
The other-ingredients line lists the capsule shell and any flow agents. Check it if you avoid gelatin, specific colors or allergens.
Why we do not print milligrams here
Some sites quote figures they cannot verify. We would rather point you to the one place the amounts are guaranteed accurate: the Supplement Facts panel on the bottle you receive. The NIH label guide shows how to read the panel when it arrives, and our Melonex label guide walks through it line by line.
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Related questions
Is L-arginine safe?
In usual supplement amounts it is generally well tolerated by healthy adults. It is not advised after a recent heart attack without medical approval and can interact with blood pressure medicines, nitrates and erectile dysfunction drugs.
Does Melonex contain caffeine or stimulants?
None are named among the ingredients. Check the other-ingredients line of your bottle.
Is Melonex vegan or gluten-free?
The capsule shell and other ingredients are listed on your bottle's panel. Check it if you avoid gelatin, gluten or specific additives.