Is this L-proline vegan?
No. The capsule is made of gelatin, an animal product. Those who prefer not to use gelatin can open the capsule and take only the powder, but the capsule shell itself is not plant-based.
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L-Proline is an amino acid that the body can produce itself and that occurs naturally in high-protein foods. L-Proline by Swanson provides 500mg per capsule, with one capsule per day. A simple way to supplement this amino acid separately, for example alongside glycine and vitamin C.
Your body produces proline in the liver. It is the precursor of hydroxyproline, a modified form of proline that is an important part of collagen. Collagen is the protein that gives your skin, tendons, joints and other connective tissue their structure and firmness. In your diet, it is mainly found in high-protein products, with gelatin and bone broth as known sources. Because the body produces proline itself in the liver, it belongs to the amino acids that do not strictly need to come from food. In a normal diet, meat, fish and dishes with gelatin provide the most proline.
Collagen consists largely of three amino acids: glycine, proline and hydroxyproline. The difference between proline and hydroxyproline lies in a small chemical modification that your body makes itself, with vitamin C as a necessary co-factor. Without that conversion, proline simply remains proline and is not incorporated as hydroxyproline into the chain. This product contains only L-proline, so you decide how to combine it. Per capsule you get 500mg, a fixed amount that is separate from your diet.
In collagen, proline together with glycine forms the largest part of the amino acid chain. The advantage of a single amino acid is that you determine the ratio yourself: you add exactly as much proline as you want, without it already being processed in a fixed mix. This jar contains pure L-proline, without further active additions, so that it can be combined with other separate supplements at your own discretion.
A question that often comes up: when is the best time to take proline? Swanson advises one capsule per day with water. The capsule is on the large side, so those who prefer not to swallow it can open the capsule and stir the powder through water or a drink, as is also common with other amino acids. With 100 capsules per jar, you have a supply for over three months with one per day. Keep in mind that the capsule is made of gelatin, so this product is not plant-based. In short: L-proline is an amino acid that your body makes itself, which can be supplemented separately with a fixed 500mg per capsule.
Each capsule provides a consistent 500mg of L-proline, so you know exactly what you're getting with each dose.
Proline is an amino acid that the body can produce itself and that occurs naturally in high-protein foods.
This pot contains only L-proline, so you can combine it yourself with glycine and vitamin C if desired.
A pot of one hundred capsules, enough for over three months with one capsule per day.
* Percentage van de referentie inname volgens Verordening (EU) Nr. 1169/2011.
** Reference intake unknown.
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No. The capsule is made of gelatin, an animal product. Those who prefer not to use gelatin can open the capsule and take only the powder, but the capsule shell itself is not plant-based.
Each capsule contains 500mg of L-proline. Swanson recommends one capsule per day, so a bottle of 100 capsules is sufficient for approximately 100 days.
Yes, you can. The capsule is on the large side, so some users open it and stir the powder into water or a drink. Amino acids are also available as a loose powder, so that's not a problem.
A collagen supplement provides a mix of amino acids at once. With separate L-proline, you choose which building block to supplement and in what quantity, for example, alongside glycine and vitamin C.
Your body converts proline into hydroxyproline, and this process requires vitamin C as a cofactor. That's why people often combine proline with vitamin C and with glycine, collagen's other main amino acid.
Proline is the amino acid that you ingest or produce yourself. Hydroxyproline is a slightly modified form that your body makes from proline and that is directly incorporated into collagen. Proline is thus the precursor.