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Source Naturals, L-Ornithine Powder, 3.53 oz (100 g)


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Source Naturals, L-Ornithine Powder, 3.53 oz (100 g)

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Source Naturals, L-Ornithine Powder, 3.53 oz (100 g)

In Stock
  • Expiration Date: 03/2020
  • Shipping Weight:
    0.16 kg
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  • Product Code: SNS-00149
  • UPC Code: 021078001492
  • Package Quantity: 3.53 oz
  • Dimensions:
    5.6 x 5.6 x 10.9 cm , 0.14 kg
    Switch to Imperial units
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Product Overview


  • Amino Acid Supplement
  • Free-Form Powder

L-Ornithine, a free-form crystalline amino acid, is a precursor of arginine, which is necessary for the synthesis of creatine, an important energy provider for muscles. In addition, L-ornithine is a key compound in the urea cycle, one of the body's main processes for eliminating ammonia.

Suggested Use

1/2 teaspoon daily between meals.

Other Ingredients

Suitable for vegetarians and Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.


Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

Supplement Facts
Serving Size: 1/2 Teaspoon (approx. 1.9 g)
Servings Per Container: 52
  Amount Per Serving %DV
Calories 10  
L-Ornithine (HCl) 1.9 g
†Daily Value not established.
iHerb Customer Reviews


Posted by iHerb Customer on Jul 30, 2017 | Verified Purchase

Been taking for a month now as per the Yasko protocol for sulphate/CBS detox and it seems to be working well. I had previously tried l-ornithine l-aspartate but the aspartate was too stimulating and made me cranky. I tolerate this one well and expect to feel even more wonderful by the time I have finished the tub (a little goes a long way). Perfect delivery from iHerb as usual.

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I believe it is helping my workouts

Posted by tidfit on Apr 24, 2017 | Verified Purchase

I use this as part of my pre-workout awesome stuff.

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It may be good for you, but it's hard to eat

Posted by iHerb Customer on Feb 27, 2017 | Verified Purchase

The taste is kinda awful, so it's really hard to eat. Order capsules.

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Great for sleep

Posted by iHerb Customer on Dec 15, 2016 | Verified Purchase

As Dr.Hulda Clark recommends L-Ornithine is great for sleep. I take it just before going to bed 1-2 teaspoons. It is not perfect product for insomnia but helps a lot. Everybody with sleep problems should try this.

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Good quality amino acid supplementation

Posted by iHerb Customer on Nov 03, 2016 | Verified Purchase

I purchased this product on behalf of a friend, who had serious health issues and had been prescribed a mix of amino acids to overcome it (Round-up toxicity). She got on well, and felt the amino acids helped her greatly.

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