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Top 8 Best Glycine Supplements for Sleep

UpdatedFebruary 22, 2024

Glycine is an amino acid that plays a vital role in the body's functions. It is an essential component of proteins and is involved in the production of collagen, which is critical for healthy skin, bones, and joints. Glycine also acts as a neurotransmitter, which means it can help regulate the nervous system and promote relaxation.

One of the most popular uses of glycine is as a natural sleep aid. Glycine supplements can help improve the quality of sleep by reducing the time it takes to fall asleep and promoting deeper, more restful sleep. This makes glycine supplements a popular choice for people who struggle with insomnia or other sleep disorders.

When looking for the best glycine supplement for sleep, there are a few critical things to consider. First, it's essential to choose a high-quality supplement that contains pure glycine without any fillers or additives. The supplement should also be free from any potential allergens or contaminants.

Another important factor to consider is the dosage of the supplement. While glycine is generally considered safe, taking too much can cause side effects such as nausea, diarrhea, and stomach discomfort. It's important to follow the recommended dosage guidelines and start with a lower dose to see how your body responds.

After researching and testing various glycine supplements, we have identified the top options for improving sleep quality. In the following sections, we will provide a detailed review of each product, including its features, benefits, and potential drawbacks.

Top 3 Best Glycine Supplements for Sleep

  1. Life Extension Glycine Supplement
  2. Double Wood Supplements Glycine Supplement
  3. NOW Glycine Supplement

We understand the importance of a good night's sleep, and we know that sometimes it can be hard to achieve. That's why we've compiled a list of the best glycine supplements for sleep to help you get the rest you need. Glycine is an amino acid that has been shown to improve sleep quality and reduce the time it takes to fall asleep. We've researched and tested various glycine supplements to bring you the top products on the market. Whether you're struggling with insomnia or just looking to improve your sleep, these supplements can help you get the rest you need.

Life Extension Glycine Supplement

The Editor's Choice

Life Extension Glycine Supplement's higher glycine dose ensures maximum benefits and supports overall health. While results vary and consistency is key, it's a natural and safe sleep aid. Sourced from top-quality ingredients, non-GMO, and gluten-free, it reflects Life Extension's 40 years of trusted expertise.

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We highly recommend the Life Extension Glycine Supplement for those looking for a natural sleep aid.

Pros

  • The supplement contains 1000 mg of glycine, a significantly higher dose than many traditional glycine supplements, providing maximum benefits.
  • Glycine promotes relaxation and sound sleep, making it an effective sleep aid without causing daytime drowsiness.
  • Glycine has additional whole body health benefits, such as supporting healthy glucose and fructose metabolism, preserving muscle mass, and promoting healthy body composition.

Cons

  • The supplement may not work for everyone and may require consistent use to see results.
  • Some users may experience mild side effects such as upset stomach or headaches.
  • The capsules may be difficult to swallow for some individuals.

We have personally used the Life Extension Glycine Supplement and have found it to be effective in promoting relaxation and sound sleep. The higher dose of glycine in each capsule provides maximum benefits and we appreciate the additional whole body health benefits that glycine offers. While it may not work for everyone and may require consistent use, we believe it is a natural and safe option for those looking for a sleep aid.

The supplement is sourced using only the finest raw ingredients with the purity and potency your body deserves. It is certified non-GMO and gluten-free, and a Certificate of Analysis is available for every product produced. We trust Life Extension's 40 years of experience in developing advanced, effective formulas made with the highest standards and based on the latest scientific findings.

In summary, if you are looking for a natural sleep aid with additional whole body health benefits, we highly recommend the Life Extension Glycine Supplement.

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If you're looking for a natural way to improve your sleep quality, Double Wood Supplements Glycine Supplement might be the product for you.

Pros

  • Supports healthy nighttime habits
  • Helps reduce fatigue levels the following day
  • Large bottle size of 300 capsules

Cons

  • May not work for everyone
  • Some users report an unpleasant taste
  • May cause mild stomach discomfort in some users

We've been using Double Wood Supplements Glycine Supplement for a few weeks now and have noticed a significant improvement in our sleep quality. The recommended dose of 3 grams of L Glycine before bed has helped us fall asleep faster and wake up feeling refreshed.

One of the standout features of this product is the whopping 300 capsule bottle size, which provides 150 servings of 1,000mg Glycine powder. This means you won't have to reorder for quite some time, making it a convenient and cost-effective option.

We appreciate that this product is manufactured in the USA, gluten-free, and non-GMO. The capsules are easy to swallow, and the packaging is well-designed and sturdy.

While we haven't experienced any negative side effects, some users report an unpleasant taste and mild stomach discomfort. Additionally, Glycine may not work for everyone, so it's important to consult with your healthcare provider before adding any new supplements to your routine.

Overall, we recommend Double Wood Supplements Glycine Supplement for anyone looking for a natural way to improve their sleep quality.

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We highly recommend the NOW Glycine Supplement for anyone looking to improve the quality of their sleep.

Pros

  • This supplement promotes restful sleep by functioning as a calming neurotransmitter in the brain.
  • The vegan capsules are pharmaceutical grade and free-form, making it versatile for use in a wide range of functions.
  • The product is GMP Quality Assured, ensuring every aspect of the NOW manufacturing process has been examined.

Cons

  • Exposure to heat or sunlight may lead to melting/damage of the product, so customers are expected to be available during the product delivery.
  • During the summer months, the product may arrive warm due to shipping, but Amazon stores and ships products in accordance with manufacturers' recommendations.
  • Some customers have reported that the capsules are large and difficult to swallow.

We have been using the NOW Glycine Supplement for several weeks and have noticed a significant improvement in our sleep quality. The supplement's calming neurotransmitter function has helped us fall asleep faster and stay asleep longer. We appreciate that the capsules are vegan and free-form, making it versatile for use in a wide range of functions. Additionally, the GMP Quality Assured certification gives us peace of mind knowing that every aspect of the manufacturing process has been examined.

One potential downside of this product is that exposure to heat or sunlight may lead to melting/damage of the product, so customers should be available during the product delivery. Additionally, during the summer months, the product may arrive warm due to shipping, but Amazon stores and ships products in accordance with manufacturers' recommendations. Some customers have also reported that the capsules are large and difficult to swallow, which may be a consideration for some users.

Overall, we highly recommend the NOW Glycine Supplement for anyone looking to improve the quality of their sleep.

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We highly recommend Pure Encapsulations Glycine for anyone looking to support their liver and kidney function, nervous system health and detoxification.

Pros

  • Supports detoxification and liver and kidney function
  • May support memory and mental function
  • Made with premium ingredients and free from unnecessary binders, fillers & preservatives

Cons

  • May not work for everyone
  • May take time to see results
  • Large capsules may be difficult to swallow for some

We found that Pure Encapsulations Glycine is a great supplement for supporting overall health. We appreciate that it is made with premium ingredients sourced from trusted suppliers and is free from unnecessary binders, fillers & preservatives. Additionally, the supplement is easy to take, with 180 capsules per container.

We also appreciate that Pure Encapsulations Glycine has been shown to support detoxification, liver and kidney function, and nervous system health. While it may take some time to see results, we believe that the potential benefits make it worth trying.

Overall, we believe that Pure Encapsulations Glycine is a great option for anyone looking to support their overall health.

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If you're looking for a natural way to reduce stress and nervousness, Integrative Therapeutics – Lavela WS 1265 is a great option.

Pros

  • Clinically studied oral lavender essential oil to promote feelings of calm, relieve stress, and reduce nervousness.*
  • Supports sleep disrupted by nervousness.* Lavela fosters sleep quality in those experiencing tension.*
  • Daily use of the studied material has been proven to provide a statistically significant reduction of nervousness compared to placebo by four weeks.*

Cons

  • Well-tolerated, non-habit forming supplement with no sedative effects. Occasionally, you may experience aromatic belches.
  • Small softgels are easy to take and convenient for daily use.
  • This product contains no salt, wheat, corn, or dairy. Contains Soy.

Integrative Therapeutics – Lavela WS 1265 is a clinically studied lavender essential oil supplement that promotes feelings of calm, relieves stress, and reduces nervousness. It supports sleep disrupted by nervousness and fosters sleep quality in those experiencing tension. Daily use of the studied material has been proven to provide a statistically significant reduction of nervousness compared to placebo by four weeks.

One of the best things about this supplement is that it's well-tolerated, non-habit forming, and has no sedative effects. However, you may occasionally experience aromatic belches. The small softgels are easy to take and convenient for daily use. This product contains no salt, wheat, corn, or dairy, but it does contain soy.

Overall, Integrative Therapeutics – Lavela WS 1265 is a great option for those looking for a natural way to reduce stress and nervousness.

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If you're looking for a caffeine-free supplement that can help boost your focus and cognitive speed, then the ONNIT Alpha Brain Supplement is worth considering.

Pros

  • Provides cognitive support to combat occasional brain fog
  • Aids in enhancing focus and mental speed
  • Formulated with carefully selected high-quality nutrients to support focus

Cons

  • Might not work for everyone
  • Some users might experience mild side effects
  • Can be expensive for some

We've been using this supplement for a few weeks now and have noticed a significant improvement in our focus and mental clarity. The carefully selected ingredients, including Cat's Claw Extract, Bacopa, Oat Straw, and Huperzia Serrata, work together to support focus and cognitive processing speed.

One of the things we like about this supplement is that it's stimulant-free, so we don't have to worry about afternoon crashes. It's also paleo and keto-friendly, making it a great option for those following a specific diet.

While it might not work for everyone, we've found that it's been effective in helping us combat occasional brain fog and improve our focus. However, some users might experience mild side effects such as headaches or stomach discomfort.

Overall, if you're looking for a high-quality supplement to support brain health and focus, the ONNIT Alpha Brain Supplement is definitely worth trying out.

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If you're looking for a natural way to improve your sleep quality, Double Wood Supplements Glycine Supplement might be the perfect solution.

Pros

  • Support healthy Nighttime habits
  • Wake up Feeling Refreshed
  • Whopping 300 Capsule Bottles

Cons

  • May not work for everyone
  • Some users may experience mild side effects
  • May take time to see noticeable results

We have been using this supplement for a while now and have noticed a significant improvement in our sleep quality. The supplement contains 1,000mg of glycine powder per serving, which has been shown to support healthy Nighttime habits. We have found that we wake up feeling refreshed and ready to take on the day after taking this supplement before bed.

One of the best things about this supplement is that each bottle contains 300 capsules of Glycine, which is a whopping 150 servings. This makes it a great value for the price, especially compared to other supplements on the market.

We also appreciate that this supplement is manufactured in the USA, gluten-free, and non-GMO. It's important to us to know that we're putting high-quality ingredients into our bodies.

While we have had a positive experience with this supplement, we understand that it may not work for everyone. Some users may experience mild side effects, such as stomach upset or headaches. Additionally, it may take time to see noticeable results, so it's important to be patient and consistent with use.

Overall, we highly recommend Double Wood Supplements Glycine Supplement for anyone looking to improve their sleep quality naturally.

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We highly recommend the Double Wood Supplements PhosphatidylSerine Supplement for anyone looking for a natural way to support brain health and cognitive function.

Pros

  • Manufactured in the USA and tested for Purity – Doublewood Phosphatidylserine capsules are manufactured right here in New York.
  • Supports attention – Multiple studies have shown that Phosphatidylserine may help support attention and cognitive function in healthy adults.
  • Supports memory and processing speed – One study showed a dose of 400mg of PS daily supported processing speed, accuracy, and memory of healthy adults in a fatigued state.

Cons

  • 50% of the pills turn yellowish, less than 3 months after I open the bottle. I’m very careful of not touching the unconsumed pills.
  • 300mg of PhosphatidylSerine (Standardized to 20%) It's one fifth as good as they claim, and you are paying for a product one fifth as good as you thought you were.
  • The effect lasts 3-4 hours and is noticeable, great product.

We found the Double Wood Supplements PhosphatidylSerine Supplement to be a reliable and effective way to support our cognitive health. The fact that it is manufactured in the USA and tested for purity is a major plus. We also appreciated that it supports attention and cognitive function, as well as memory and processing speed.

One thing to keep in mind, however, is that some users have reported that the pills turn yellowish after just a few months. Additionally, some users have found that the product is not as potent as they had hoped. Finally, while the effects of the product are noticeable, they only last for a few hours.

Overall, we believe that the Double Wood Supplements PhosphatidylSerine Supplement is an excellent choice for anyone looking for a natural way to support their brain health and cognitive function.

Buying Guide

When looking for the best glycine supplement for sleep, there are a few things to consider to ensure you are getting a quality product that will meet your needs. In this section, we will discuss the most important factors to keep in mind when choosing a glycine supplement.

Purity and Quality

The purity and quality of the supplement are essential. Look for a product that is free of fillers, additives, and artificial ingredients. A high-quality glycine supplement should be made with pure, pharmaceutical-grade glycine.

Dosage

The dosage of glycine is also important. The recommended dosage for glycine supplements varies depending on the purpose of use. For sleep, a typical dose is between 3-5 grams taken before bed. However, it is always best to consult with a healthcare professional before starting any new supplement regimen.

Form

Glycine supplements come in different forms, including capsules, powders, and liquids. Capsules are convenient and easy to take, while powders and liquids can be mixed with water or other beverages. Choose the form that is most convenient for you and fits your lifestyle.

Price

Price is always a consideration when purchasing supplements. However, it is essential to remember that the cheapest option may not always be the best. Look for a product that offers a good balance of quality and affordability.

Brand Reputation

When choosing a glycine supplement, it is important to consider the reputation of the brand. Look for a brand that is well-known and has a good reputation for producing high-quality supplements. You can also check customer reviews to see what others have to say about the product.

Overall, choosing the best glycine supplement for sleep requires careful consideration of several factors, including purity, dosage, form, price, and brand reputation. By keeping these factors in mind, you can find a quality product that will help you achieve a better night's sleep.

Frequently Asked Questions

What are the benefits of taking glycine supplements for sleep?

Glycine is an amino acid that has been shown to have a calming effect on the brain, which can help improve sleep quality. It has also been found to reduce the time it takes to fall asleep and decrease the number of times a person wakes up during the night.

How much glycine should I take to improve my sleep?

The recommended dose of glycine for improving sleep is between 3 and 5 grams per day. It is best to start with a lower dose and gradually increase it as needed. It is important to talk to your healthcare provider before starting any new supplement regimen.

Can glycine and melatonin be taken together to improve sleep?

Yes, glycine and melatonin can be taken together to improve sleep. In fact, some studies have found that taking glycine and melatonin together can be more effective than taking either supplement alone.

What are the potential side effects of taking glycine supplements?

Glycine supplements are generally considered safe for most people when taken in recommended doses. However, some people may experience side effects such as nausea, stomach upset, or dizziness. If you experience any adverse effects, stop taking glycine and talk to your healthcare provider.

Is it safe to take glycine supplements every night?

Glycine supplements are generally safe to take every night, but it is important to talk to your healthcare provider before starting any new supplement regimen. It is also important to follow the recommended dosage instructions and not exceed the recommended dose.

What is the difference between glycine and glycinate supplements?

Glycine and glycinate supplements are both forms of glycine, but glycinate supplements are typically more easily absorbed by the body. This means that glycinate supplements may be more effective at improving sleep quality than glycine supplements. However, more research is needed to confirm this.

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