How much lysine should you take per day?
The label recommends 1 capsule 1 to 3 times a day, so 500 to 1500mg of L-lysine. Feel free to start with one capsule and spread multiple capsules throughout the day. Do not exceed the recommended daily dose.
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This bottle from NOW Foods contains 100 capsules, each with 500mg of L-lysine, derived from 637mg of L-lysine hydrochloride. The capsule is made of plant-based cellulose and the list of inactive ingredients is short. The label recommends 1 capsule 1 to 3 times a day. This allows you to choose how much lysine you take per day in 500mg increments, from 500 to 1500mg.
Amino acids are the building blocks of protein. Your body makes some of them itself, but lysine is one of the nine that you must obtain entirely from your diet. This is because you lack the enzymes to produce it. Many people wonder which foods contain lysine. The answer: mainly high-protein foods. Cheese, chicken, beef, fish, eggs, tofu and tempeh are good sources, as are lentils and beans. A 30-gram piece of Parmesan cheese already provides about 900mg. Grains, on the other hand, contain very little. In rice and wheat, lysine is even the amino acid that runs out first.
Lysine is naturally found in proteins, but it does more than that. In collagen, the protein in your skin, tendons and bones, some lysine units receive an extra oxygen group after being incorporated. This hydroxylysine forms bridges between the collagen fibers, making the whole structure strong. Think of a rope: loose threads are limp, but as soon as you tie them together, you get something that can withstand tension. Your liver also uses lysine as a raw material for carnitine, the substance that carries fatty acids to your energy centers. What many people do not know: lysine and arginine are structurally similar. They partially use the same transport proteins in your intestines and cells. Therefore, the amount of one affects how much of the other gets in. This is one of the reasons why lysine is so often discussed together with arginine.
The difference with the 1000mg tablet lies in flexibility and size. A 500mg capsule is smaller and easier for many people to swallow. Moreover, you can dose more precisely: one, two or three capsules, spread throughout the day. The 637mg on the label is the amount of L-lysine hydrochloride, the stable salt form. Of that, 500mg is pure lysine; the rest is chloride. Good to know: these capsules contain no sugar, salt, yeast, wheat, gluten, corn, soy, milk or egg. If you also take an arginine supplement, leave a few hours between the two, because they compete for the same absorption pathway. This keeps your routine manageable.
NOW Foods fills this L-lysine in the United States according to GMP guidelines (Good Manufacturing Practice). With 100 capsules, you have a supply for over three months at one capsule per day. A small capsule, a simple composition and the freedom to decide how much you take: that is what this bottle was made for.
With 1 to 3 capsules per day, you can choose between 500 and 1500mg of L-lysine.
No gelatin, and the other excipients are stearic acid, microcrystalline cellulose and rice flour.
A compact capsule that is easy to swallow, convenient if you find large tablets difficult to take.
It also contains no salt, wheat, soy, milk, egg or preservatives.
* Percentage van de referentie inname volgens Verordening (EU) Nr. 1169/2011.
** Reference intake unknown.
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The label recommends 1 capsule 1 to 3 times a day, so 500 to 1500mg of L-lysine. Feel free to start with one capsule and spread multiple capsules throughout the day. Do not exceed the recommended daily dose.
You can, but it is better to space them out. Lysine and arginine partly use the same transport proteins in your intestines and cells. When taken at the same time, they compete for the same pathway. Leave a few hours between the two.
The capsule is made of hypromellose, a plant-based cellulose, so it contains no gelatin. The other excipients are plant-based stearic acid, microcrystalline cellulose, and rice flour. The product also contains no milk or egg.
Because a capsule is smaller and allows for more precise dosing. With 500mg per capsule, you can choose 500, 1000 or 1500mg per day. If you prefer to swallow fewer pieces, the 1000mg tablet is an alternative.
The 637mg is L-lysine hydrochloride, the salt form in which lysine remains stable. Of that, 500mg is pure L-lysine, the rest is chloride. So you get 500mg of lysine per capsule.
Chemically, it is the same molecule. In food, lysine is bound in proteins, along with all the other amino acids, and your digestive system has to break it free first. In this capsule, it is already free, as a salt, without the other amino acids around it.