Dosage and use
How to Take Melonex: Dosage per Day, Timing and Water
Take one Melonex capsule a day with an 8 oz glass of water. The label allows up to two a day and prints no time of day. One capsule holds a 500 mg blend, so the Melonex dosage per day is 500 mg of blend, or 1,000 mg at the maximum. No trial has tested Melonex.
Written by the Melonex numbers deskUpdated
01The dose
What is the Melonex dosage per day?
The Melonex dosage per day is one capsule with an 8 oz glass of water. The label says you may take up to two capsules a day, and it never says more.
That is the whole instruction. It reads: "As a dietary supplement, take one (1) capsule daily with an 8 oz. glass of water. May take up to two (2) capsules daily."
One capsule is one serving. It holds a proprietary blend of 500 mg, shared by three amino-acid lines. At two capsules, the blend is 1,000 mg.
The label adds: "Do not exceed recommended dose." Two is a ceiling, not a target.
1 capsule a day
- L-Citrulline DL-Malate≤500 mg
- L-Arginine (Alpha-Ketoglutarate dihydrate)≤250 mg
- L-Arginine HCL≤167 mg
- Whole blend500 mg
- Water
- 8 oz with the capsule
- One bottle lasts
- 60 days
- Label
- The suggested use
2 capsules a day
- L-Citrulline DL-Malate≤1,000 mg
- L-Arginine (Alpha-Ketoglutarate dihydrate)≤500 mg
- L-Arginine HCL≤333 mg
- Whole blend1,000 mg
- Water
- 16 oz with the capsules
- One bottle lasts
- 30 days
- Label
- The most the label allows
Ceilings from the label order (place k holds at most 500/k mg) (21 CFR 101.36 (proprietary blends)). The label: "As a dietary supplement, take one (1) capsule daily with an 8 oz. glass of water. May take up to two (2) capsules daily."
The label prints no mg for any single line. What each line can weigh at most is on what is in one capsule.
02Four steps
How do you use Melonex, step by step?
To use Melonex, check the seal, swallow one capsule with 8 oz of water, repeat in the same daily slot, and check in at day 30. Four steps cover it.
The routine is short because the label is short. The one step people skip is the first: telling a doctor or pharmacist what else you take.
- 01
List your medicines
Before the first capsule, write down every pill you take and show the list and the bottle to your doctor or pharmacist. Blood-pressure drugs, nitrates and ED drugs matter most.
- 02
One capsule, 8 oz of water
Swallow one capsule with a full 8-ounce glass of water, as the label says. Check the safety seal on a new bottle first.
- 03
Same slot every day
Pair it with something you already do every day. The label allows up to two capsules a day; it never says more.
- 04
Check in at day 30 and before 60
Log your home cuff readings and how you feel. The seller's money-back window closes at day 60, so decide before then.
03Timing
At what time should Melonex be taken?
The label names no best time. When to take Melonex is up to you, so choose a slot you will hit every day, such as breakfast.
No study of Melonex exists, so no study can say morning beats night. A fixed slot is what helps. The dial shows one way to lay out a day.
- Morning, about 8:00
One capsule with an 8 oz glass of water, as the label says. No time is printed; tie it to breakfast so it is hard to skip. Prescribed medicine keeps its own schedule.
- Before breakfast: the cuff
Sit 5 minutes, arm at heart level, two readings one minute apart, and write them down (AHA).
- A walk after work
Adults need 150 minutes of moderate activity a week (CDC): about 30 minutes, five days.
- Night, 7 or more hours
CDC: adults 18-60 need 7 or more hours; enough sleep helps lower the risk of high blood pressure.
Cuff steps from the American Heart Association (AHA, Home blood pressure monitoring); activity (CDC, Adult activity guidelines) and sleep (CDC, About sleep) from the CDC. The capsule time is only a suggestion, so go by your label.
04Every day
Can I take Melonex daily?
Yes, the label directs a daily capsule: "take one (1) capsule daily." It sets no end date and no break, so daily is the printed use.
Daily does not mean forever. The label sets no limit, and no one tested Melonex over months. For the amino acids alone, NIH says up to 9 g a day of arginine for days or weeks is well tolerated, and safety of high doses past 3 months is unknown (NIH ODS, Supplements for Exercise). One capsule is a small fraction of that.
A bottle covers a long stretch. The table shows the supply at each pace.
| Bottles | Capsules | At 1 a day | At 2 a day |
|---|---|---|---|
| 1 | 60 | 60 days | 30 days |
| 2 | 120 | 120 days | 60 days |
| 3 | 180 | 180 days | 90 days |
| 6 | 360 | 360 days | 180 days |
Missed a day? The label has no catch-up rule, so take one the next day and never double up. Keep the bottle somewhere cool and dry, away from heat, light and humidity.
Packs start at $79 a bottle for two and fall to $49 a bottle for six, as listed in the seller's materials. See the price page before you pick.
05Dose rate
What is the Melonex dose rate compared with studies?
The Melonex dose rate is small next to research. One capsule holds at most 500 mg of any single line, and studies of these amino acids used grams a day.

Worked example. Two capsules a day is 1,000 mg of blend. Citrulline DL-malate is first on the label, so it can be at most all of that, 1,000 mg. A trial dose of L-citrulline starts at 3 g, or 3,000 mg (Avicenna J Phytomed 2019, L-citrulline and BP meta-analysis).
The arginine lines are the second and third place. Together they can weigh at most 333 mg per capsule, or 667 mg at two. Arginine trials used 4-24 g a day (Am Heart J 2011, L-arginine and BP meta-analysis).
Even the ceiling is a fraction of the low end of those studies, and no trial tested Melonex itself.
06Before you start
Who should ask a doctor before taking Melonex?
Check with a doctor or pharmacist first if you take heart or blood-pressure medicine, nitrates or an erectile-dysfunction drug, or if you are pregnant, nursing or under 18.
The label tells pregnant or nursing mothers, anyone under 18 and anyone with a known medical condition to consult a physician first. Arginine and citrulline can add to blood-pressure drugs, nitrates and sildenafil-type drugs (Mayo Clinic, L-arginine) (WebMD, L-citrulline), and arginine is not recommended after a recent heart attack (ACC, VINTAGE MI trial summary).
Never stop, skip or change a prescribed medicine because you added a supplement. Tell your care team about everything you take (CardioSmart (ACC), Blood pressure medicines).
The full list sits on side effects and interactions, and a six-question check is on who should take Melonex.
07Your plan
How long should I take Melonex before I decide?
The seller's terms ask for at least 30 days of use and a return started within 60 days. Use day 30 and day 60 as check-ins.
- Day 0
Order and keep the email
Your order ID is what the desk asks for. Count the 60 days from your order date.
- Day 30
The seller's minimum
The seller asks for at least 30 days of continuous use before a refund claim. Keep taking prescribed medicine the whole time.
- Before day 60
Call with your order ID
Email [email protected] or phone +1 (855) 889-3137 for an authorization code.
- Then
Mail with tracking
Send the bottles to the returns address in New York with your full name, email and order ID. Return postage is on you.
Log home blood pressure with a validated upper-arm cuff, same time each day (AHA, Home blood pressure monitoring). Bring the log to your next visit. Only sealed bottles qualify for a refund, a 20% restocking fee applies and you pay return shipping: read the guarantee terms and the 30-day check-in.
08FAQ
Melonex dosage and use: short answers
What is the standard Melonex dosage?
One capsule a day with an 8 oz glass of water, per the label, which also allows up to two a day. One capsule holds a 500 mg blend of three amino-acid lines. No amounts are printed for the single lines, and no trial has tested the product.
Can I take two Melonex capsules at once?
The label allows up to two capsules daily but does not say whether to take them together or apart. At two, the blend totals 1,000 mg. Ask your pharmacist if you take other medicines, and do not go above two.
Is morning or night better for taking Melonex?
The label prints no time of day, so either works as far as the label goes. Pick the slot you will hit every day.
How many Melonex capsules per day is too many?
More than two is over the label. It says "Do not exceed recommended dose" and caps use at two capsules a day.
Can I take Melonex daily for months?
The label directs a daily capsule and gives no end date. No study has followed Melonex users, so nobody can promise results or long-term safety. Check in at day 30 and day 60, and talk to your doctor about any longer plan.
What is the Melonex dose rate in mg?
One capsule holds a 500 mg proprietary blend, so two hold 1,000 mg. The first line, citrulline DL-malate, can be at most 500 mg per capsule. The arginine pair can total at most 333 mg. The exact split is not printed.
09Who wrote this
Written and reviewed by
Pages built from the label, the seller's materials and linked NIH, FDA, CDC, AHA, FTC and peer-reviewed sources.
Last updated . Read how we write and how we check reviews. This website is run by Melonexheart, which describes itself as a U.S. authorized Melonex merchant. It is not the manufacturer or the label's distributor, and we cannot independently verify the 'authorized' status. We are paid when you buy through our order links.
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Ready to try Melonex?
Show the bottle to your doctor or pharmacist first, then pick a pack. Six bottles cost the least per bottle, and the seller lists a 60-day money-back guarantee on every pack.
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- Ships from the U.S.



