Three amino acids, three doses, one daily capsule. Here is a plain guide to amino acid supplements and how N7-Neo uses L-arginine, L-glutamine and L-leucine.
Walk into a gym, a health shop or a chemist in any Irish town and amino acids are everywhere: tubs of powder, bottles of capsules and shakers on the counter. The names can be confusing, so this guide keeps things simple. It explains L-arginine, L-glutamine and L-leucine, and shows how they appear in N7-Neo. For the full product, visit the N7-Neo Ireland page.
What are amino acids?
Amino acids are the building blocks of protein. Every time you eat a piece of fish, an egg or a bowl of lentils, your body breaks the protein down into amino acids and uses them again. There are about twenty in all. Some are called essential, which means the body cannot make them and they must come from food. Others the body can make itself.
A supplement is not required to get amino acids, since a varied diet provides them. Some people simply like the convenience of a capsule, and that is where a product like N7-Neo comes in.
What amounts are in N7-Neo?
| Amino acid | Per capsule |
|---|---|
| L-Arginine HCl | 100 mg |
| L-Glutamine | 51 mg |
| L-Leucine | 50 mg |
These are small, label-clear amounts. The "L" in each name describes the form that occurs naturally in food, and it is the form used in most supplements.
What is L-arginine?
L-Arginine is an amino acid found in protein foods. Good food sources include:
- Meat and poultry, such as beef, pork and chicken.
- Fish and seafood.
- Dairy, including milk, yoghurt and cheese.
- Nuts and seeds, such as peanuts, walnuts and pumpkin seeds.
In N7-Neo it is supplied as L-arginine hydrochloride (HCl), a stable form commonly used in food supplements.
What is L-glutamine?
L-Glutamine is one of the most common amino acids in the body. You get it from everyday protein foods:
- Meat, fish and eggs.
- Dairy products, such as milk and cheese.
- Some plant foods, such as beans, tofu and cabbage.
Each N7-Neo capsule has 51 mg.
What is L-leucine?
L-Leucine is an essential amino acid, so it has to come from the diet. It is found in eggs, dairy, meat, fish and pulses. Each N7-Neo capsule has 50 mg.
Three amino acids and four more actives, all in one capsule
Get N7-Neo at the official store 60-day money-back guarantee · Free delivery · 30-day supply per packPlain-language glossary
Supplement labels use a few terms that can sound technical. Here is a short glossary.
- Essential amino acid: one the body cannot make, so it must come from food. L-leucine is an example.
- HCl: short for hydrochloride, a stable salt form. L-arginine HCl is the form in N7-Neo.
- mg: milligram, one thousandth of a gram. All three amino acids are listed in mg.
- Bulking agent: an ingredient that fills out the capsule so the formula is consistent.
- NRV: Nutrient Reference Value, the daily benchmark for vitamins and minerals on EU labels. Amino acids do not have one.
Eating for protein in an Irish week
Because amino acids come from protein, it helps to picture where protein appears in a typical week: eggs at breakfast, a chicken sandwich at lunch, fish on Friday, a roast on Sunday, plus milk, yoghurt and cheese through the day. For vegetarians, pulses, tofu, nuts and seeds fill the same role. Covering a mix of these gives your body a full range of amino acids without any supplement at all.
That is worth remembering when you look at a capsule. It is an extra for people who like the convenience, and it sits on top of a balanced diet.
Can I get these amino acids from food alone?
Yes. A normal Irish diet, with a bit of meat or fish, some dairy, eggs and pulses, supplies plenty of all three. A capsule is an extra, and it does not replace a balanced plate. If you want more detail on how the food side adds up, the ingredients guide goes through the full list.
Health claims: what can be said about amino acids?
There are no authorised EU health claims for L-arginine, L-glutamine or L-leucine, so this guide does not make any. It simply tells you what they are, where they come from and what is on the label. The only authorised health claims on the N7-Neo label are for the two minerals, zinc and chromium. They are explained in our zinc and chromium guide.
Where do amino acids fit in N7-Neo?
N7-Neo Metabolism Blend has seven active ingredients. Three of them are the amino acids above. The other four are apple cider vinegar extract (100 mg), guarana extract (100 mg), zinc (15 mg) and chromium (40 mcg). The capsule also contains microcrystalline cellulose as a bulking agent, an HPMC capsule shell and E470b as an anti-caking agent.
A note on guarana
Guarana is a plant native to the Amazon, and it naturally contains caffeine. It is not an amino acid, but it is in the same capsule, so keep your daily caffeine in mind. Count your tea, coffee and fizzy drinks. If you are sensitive to caffeine, take the capsule earlier in the day. More detail is in our safety and suitability guide.
How do you take N7-Neo?
- Take one capsule a day, whole.
- Swallow it with two large glasses of water.
- Take it 15 to 30 minutes before a meal, or with lunch or dinner.
If you cannot swallow capsules, open it and mix the contents with water. Do not exceed one capsule a day.
Is it right for you?
N7-Neo is for adults aged 18 and over. If you are pregnant, breastfeeding, taking medication or have a medical condition, speak to your GP or pharmacist first. If you are ready to look at the official store, see the current pack options. The 60-day money-back guarantee is shown at checkout, and delivery is free.
A food supplement does not replace a varied diet or a healthy lifestyle. It works best as one small part of both.
Frequently asked questions
Which amino acids are in N7-Neo?
Each capsule contains L-arginine HCl (100 mg), L-glutamine (51 mg) and L-leucine (50 mg).
Where do these amino acids occur in food?
They are found in protein foods such as meat, fish, eggs, dairy and pulses, and L-arginine also occurs in nuts and seeds.
Is L-leucine an essential amino acid?
Yes, the body cannot make L-leucine, so it has to come from food.
Are there health claims for L-arginine, L-glutamine or L-leucine?
No authorised EU health claims exist for these three amino acids, so this guide describes them without making claims.
Does N7-Neo contain caffeine?
Guarana extract naturally contains caffeine, so keep your tea, coffee and fizzy drinks in mind.
How do I take N7-Neo?
Take one capsule a day, whole, with two large glasses of water, 15 to 30 minutes before a meal or with lunch or dinner.
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Last reviewed 19 October 2026. This guide is general information about a food supplement.