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Synthetic vs natural lysine

post #1 of 9
4/1/10 at 6:14pm
Thread Starter 
I use Vitamin Shoppe's brand and need to re-order. Before I do that, I want to make sure I'm using the best quality lysine for my cats. I've read that "natural" lysine is better than the synthetic. Also what constitutes "pure" lysine? Below is VS's ingredient list. Is this a good product?

It's a good deal and I appreciate the easy to open capsules.

Supplement Facts
Serving Size 1 CAPSULE
Servings Per Container 300
\t
Amount Per
Serving
\t
% Daily
Value
L-Lysine (As Lysine Hydrochloride)
\t
500 Mg
\t
N/A*
* Daily value not established

Other Ingredients:
Rice flour, gelatin, magnesium stearate.
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post #2 of 9
4/1/10 at 7:13pm
It is okay ... but I avoid supplement s that have binders this has 3 ....

NOW brand is one that many places carry and it just lysine
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post #3 of 9
4/1/10 at 7:55pm
Here is the link for the one from Now brands, as Sharky said, is is 100% pure L-Lysine, pharmaceutical Grade, and nothing else.

There is often a misconception that natural compounds are better than synthetics, but the truth is, when you are talking about PURE compounds, the natural and the synthetic are the same thing.

The difference often comes how you deliver it - the synthetic sometimes come contaminated, not pure, and on the other hand, the natural come in the form of food, or a fruit, or something else with hundreds of other compounds that helps to deliver/intensify the one you are referring to. Most times nobody even knows how that works...

But when you put the PURE compounds/molecules, side by side, when they are the same, but one is synthetic, and the other one is natural, there is no difference - there is only marketing.

The bottom line, IMO, is if I want to give my cat Lysine, I prefer to give him Lysine and no other additives.
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post #4 of 9
4/1/10 at 8:11pm
Thread Starter 
Okay, thanks guys. I thought there may be a chance the other ingredients made up the capsules rather than mixed into the lysine itself.
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post #5 of 9
4/1/10 at 8:30pm
The gelatina and rice flour, at least, I would guess is definitely the capsule - they usually use a starch and gelatin for them, looking online most capsule form supplements have all three
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post #6 of 9
4/1/10 at 8:32pm
Quote:
Originally Posted by icklemiss21 View Post
The gelatina and rice flour, at least, I would guess is definitely the capsule - they usually use a starch and gelatin for them, looking online most capsule form supplements have all three
gelatin yes is normally the capsule( I always look for vegan caps to ensure lower cross contamination risk) ... rice flour is used not in it but on it and and a powder binding agent ( ie it is both inside and outside
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post #7 of 9
4/1/10 at 8:41pm
magnesium stearate is also used on capsules, however it sucks because it is not safe...

So I guess Problem solved? - the three of them are used for the capsules?
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post #8 of 9
4/1/10 at 8:43pm
Quote:
Originally Posted by Carolina View Post
magnesium stearate is also used on capsules, however it sucks because it is not safe...

So I guess Problem solved? - the three of them are used for the capsules?
true .... The real problem solver.. use a powder
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post #9 of 9
4/1/10 at 8:43pm
Quote:
Originally Posted by sharky View Post
true .... The real problem solver.. use a powder
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