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Life Extension, Glycine, 1,000 mg, 100 Vegetarian Capsules

Life Extension, Glycine, 1,000 mg, 100 Vegetarian Capsules

Regular price $8.40
Sale price $8.40 Regular price $18.65
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68 in stock

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$8.40

FREE SHIPPING: On Orders $50+

Estimated delivery: 5-7 Days from order date.

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What is Glycine?

In clinical research, the essential amino acid, glycine, has been shown to have a calming effect on the brain. To provide the maximum benefits, we formulated our Glycine with 1000 mg, a significantly higher dose than many traditional glycine supplements.

Our Glycine supplement offers calming sleep support and whole-body health benefits in easy-to-swallow 1000-mg capsules.

Glycine Benefits

  • Promotes relaxation
  • Promotes healthy quality sleep without causing daytime drowsiness
  • Supports healthy glucose & fructose metabolism
  • Supports connective tissue throughout the body
For occasional sleeplessness.

Healthy Sleep with Glycine

A good night’s sleep is one of the most effective ways to take care of our bodies. But hectic lifestyles, exposure to harmful blue light and more have impacted our sleep habits. Glycine offers sleep and relaxation support and so much more in an easy-to-swallow 1000-mg capsule.

The Best Supplements Science Can Offer

When putting something in your body, you should be confident that you’re getting the nutritional benefits your body deserves. We've been delivering the highest-quality products—backed by science and formulated with the finest ingredients—for over 40 years.

What Matters to You, Matters to Us

We're committed to empowering you to live a healthier life. Whether it’s finding sustainable partners for our ingredients or funding the latest anti-aging research, we're all about your health & wellness.

Highly Recommended

98% of our customers recommend us to family and friends. We're very proud of that because our loved ones matter to us—and we're willing to bet you feel the same way.

Product Transparency

40 years of research dedicated to bringing you premium, scientifically-validated formulations.


Glycine is the simplest of all amino acids. It can be made by the body, but since it doesn’t appear to meet the body’s requirements at all times, it’s considered by some to be semi-essential.1

Most of the glycine in the body becomes incorporated in proteins, but free glycine acts as a neurotransmitter involved in regulating appetite, behavior and general homeostasis.2 It has fundamental roles in support of healthy gene expression, cellular antioxidant processes, detoxification, immune function, growth, development, metabolism and survival.2 Like other one-carbon molecules, glycine has been linked to longevity in certain species.3,4

Glycine is often used as a supplement to promote relaxation and sound sleep. Research shows that, when taken before bed, glycine may promote healthy quality sleep without causing daytime drowsiness.5,6 Glycine may also have positive impacts on mood, cognition and mental health.7,8

Glycine is needed for collagen production and therefore supports connective tissue throughout the body.9,10 Glycine has been shown to preserve normal muscle mass and promote healthy body composition.11,12 Importantly, it is the rate-limiting component of the major antioxidant glutathione.13,14

Glycine has been demonstrated to inhibit protein glycation and production of advanced glycation end-products (AGEs).13 Evidence from laboratory and clinical trials suggests glycine may help support healthy glucose and fructose metabolism.13,15,16 Research shows glycine may help maintain normal blood pressure.14,17 A study that included more than 4,000 subjects found higher glycine levels were correlated with cardiovascular protection and better metabolic health.18 Glycine has been shown to support health of the gastric and intestinal lining.19-21 

In addition to its many and varied benefits, glycine has a strong safety record. Most people need to take between one to three grams of glycine to experience benefits. As a result, using low dose capsules can be cumbersome and expensive. Life Extension’s glycine comes in easy-to-swallow 1000-mg capsules.

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Returns policy:You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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