Glycine has a tremendous number of benefits, and we can't discuss them all here.
The one incredible use of glycine that we've been interested in is how it's so great for sleep improvements. Notably, the way it makes users feel great the day after they take glycine![1,2,3]
This sleep effect is discussed in greater detail in our L-Glycine for Sleep section in our Sleep Aid Buyer's Guide on the blog (click the links to open a new tab and read more).
However, it's terrible for keto dieters and possibly even diabetics. Reason being, it is highly glucogenic, and spikes blood sugar. In Mike's keto supplement experiment, he showed how BPI Sports Keto Aminos had negative impact on his state of ketosis, and one of the factors was due to the massive amounts of glycine inside:
References
- Inagawa, K; Subjective effects of glycine ingestion before bedtime on sleep quality; Sleep and Biological Rhythms, 4: 75–77; 2006; Retrieved from https://onlinelibrary.wiley.com/doi/10.1111/j.1479-8425.2006.00193.x/abstract
- Yamadera, W; Glycine ingestion improves subjective sleep quality in human volunteers, correlating with polysomnographic changes; Sleep and Biological Rhythms, 5: 126–131; 2007; Retrieved from https://onlinelibrary.wiley.com/doi/10.1111/j.1479-8425.2007.00262.x/abstract
- Bannai, Makoto et al. "The Effects of Glycine on Subjective Daytime Performance in Partially Sleep-Restricted Healthy Volunteers." Frontiers in Neurology 3 (2012): 61; Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3328957/
Glycine News on PricePlow
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Mar 28, 2025 
Product News
NOW Glycine has new variations: Category: Glycine -
Feb 05, 2025 
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SuperSmart Glycine was created.
Category: Glycine -
Feb 03, 2025 
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Modere's New Magnesium Blend for Optimal Performance -
Feb 02, 2025 
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Equate Glycerin USP was created.
Category: Glycine -
Jan 30, 2025 
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Life Extension Glycine was created.
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Oct 17, 2024 
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Force Factor Glycine was created.
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Sep 16, 2024 
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What Makes Ghost SLEEP Different from Other Sleep Aids? -
Sep 15, 2024 
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Revive MD Sleep: Your Daily Driver Sleep Aid -
Feb 28, 2024 
Product News
The Vitamin Shoppe Glycine was created.
Category: Glycine -
Jan 20, 2024 
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Double Wood Supplements Glycine was created.
Category: Glycine -
Jan 11, 2024 
Product News
Nutricost L-Glycine was created.
Category: Glycine -
Jan 11, 2024 
Product News
Nutricost Glycine was created.
Category: Glycine -
Oct 26, 2022 
YouTube Video
STORM Revive: Using Velositol to Boost EAAs, MyoSeq, and BCAAs! -
Sep 19, 2022 
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MELATONIN-FREE Sleep Aid! | NITE NITE by Arms Race Nutrition -
Apr 06, 2022 
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The BEST SLEEP INGREDIENT | Magnesium Glycinate (Revive MD) -
Jun 23, 2020 
YouTube Video
UNFLAVORED Greens Taste THIS Good? PEScience SuperFood & Greens Review -
Aug 20, 2017 
YouTube Video
Is GLYCINE Bad for Keto Dieters? -
May 09, 2016 
Blog Post
MusclePharm Deal Finally TERMINATED by Arnold Schwarzenegger
Arnold Schwarzenegger has finally terminated his relationship with MusclePharm, after three years filled with low-quality products and lawsuits. -
Nov 04, 2015 
Blog Post
Best Sleep Aid Guide: Supplements, Ingredients, & Herbs
What's the Best Sleep Aid? It depends if you want a full-blown sleep aid supplement, or just a single-ingredient herb or compound. We cover it all!
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Glycine Price Alerts
The following price alerts are still active:
- Mar 09, 2025NOW Glycine 1 Lb. dropped by 7.5% to $15.99 at Amazon
- Jun 09, 2024Double Wood Supplements Glycine 300 Capsules dropped by 46.9% to $19.95 at Walmart
- May 17, 2023NutraBio Glycine 150 Grams dropped by 10% to $16.99 at NutraBio
Sign up for future Glycine deals and coupons!
Click the button below to sign up for future Glycine deals, news, and coupons!
Glycine Reviews & Videos
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Feb 03, 2025Modere's New Magnesium Blend for Optimal Performance
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Sep 16, 2024What Makes Ghost SLEEP Different from Other Sleep Aids?
-
Sep 15, 2024Revive MD Sleep: Your Daily Driver Sleep Aid
-
Oct 26, 2022STORM Revive: Using Velositol to Boost EAAs, MyoSeq, and BCAAs!
-
Sep 19, 2022MELATONIN-FREE Sleep Aid! | NITE NITE by Arms Race Nutrition
-
Apr 06, 2022The BEST SLEEP INGREDIENT | Magnesium Glycinate (Revive MD)
-
Jun 23, 2020UNFLAVORED Greens Taste THIS Good? PEScience SuperFood & Greens Review
-
Aug 20, 2017Is GLYCINE Bad for Keto Dieters?
Subscribe for more Glycine news and alerts!
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