L-Glycine

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What is L-Glycine?

L-Glycine is the simplest and smallest amino acid in the human body, yet it plays a vital role in numerous biological processes. Naturally found in protein-rich foods like meat, fish, dairy, legumes, and spinach, this non-essential amino acid contributes to overall metabolic health, detoxification, cellular repair, and neurotransmitter function.

Widely recognized in functional medicine and wellness supplementation, L-Glycine supports antioxidant defense, improves sleep quality, aids collagen formation for healthy skin and joints, and promotes liver detoxification. Its synergistic role with N-Acetyl-Cysteine (NAC) makes it a key ingredient in enhancing glutathione production—one of the body’s most powerful antioxidants.

Top features & benefits

Boosts glutathione levels Supports liver detoxification Helps toxin elimination
Promotes deep, restful sleep Supports collagen production Reduces oxidative stress
Helps reduce inflammation Aids muscle recovery and tissue repair

How Does L-Glycine Work?

L-Glycine serves as a building block for proteins and several critical molecules in the body. Here’s how it works:

  • Together with N-Acetyl-Cysteine, L-Glycine helps produce glutathione, the master antioxidant, which protects cells from oxidative stress, supports detoxification, and strengthens immunity.
  • Glycine plays a crucial role in phase II liver detoxification, aiding in the elimination of harmful toxins, heavy metals, and free radicals from the body.
  • Glycine influences neurotransmitters in the brain, calming the nervous system and promoting deep, restful sleep. It’s especially beneficial for reducing nighttime awakenings and improving sleep onset.
  • As a key amino acid in collagen synthesis, glycine helps maintain healthy skin elasticity, joint flexibility, and strong connective tissues.
  • It assists in muscle tissue repair and recovery, making it beneficial for athletes and individuals with an active lifestyle.

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NAC + GLYCINE capsules
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Slow Advanced N-Acetyl-Cysteine + Glycine Capsules
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FAQs

L-Glycine is used for improving sleep, boosting glutathione levels, supporting liver detoxification, enhancing skin and joint health, and promoting metabolic balance.
Yes, L-Glycine promotes relaxation of the nervous system and improves sleep onset and quality by calming neurotransmitter activity.
Absolutely. L-Glycine plays a key role in liver detoxification, helping neutralize and remove toxins from the body.
L-Glycine is a precursor for glutathione synthesis, which is the body's most powerful antioxidant.
Yes, it is one of the main amino acids involved in collagen synthesis, supporting skin, hair, nails, and joint health.
Yes, by boosting glutathione and supporting detoxification, L-Glycine helps reduce oxidative stress and inflammation.
Foods like bone broth, meat, fish, dairy, spinach, kale, and legumes are rich in glycine.
L-Glycine acts as a neurotransmitter and can help promote calmness and emotional balance.
Yes, when taken within recommended dosages, L-Glycine is considered safe for daily use. However, pregnant and lactating women should consult their doctors before use.
Yes, it plays a role in protein synthesis and tissue repair, which supports muscle recovery post-exercise.
Together, NAC and Glycine promote glutathione production, enhancing cellular protection and detoxification.
Glycine is generally well-tolerated but may cause mild digestive discomfort in some people at high doses.
Yes, glycine supports collagen production, promoting skin elasticity and reducing the signs of aging.
Yes, it is often combined with NAC, magnesium, and collagen for synergistic effects.