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Glycine Supplement

$ 19.95

Glycine supports relaxation and helps maintain a balanced mood, making it a great addition to your daily routine.
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Description

Glycine is an amino acid and neurotransmitter which can be produced by the body to some degree but is primarily obtained through diet and is found in protein rich foods such as meat, dairy, and legumes.


Soy-Free, Gluten-Free, Non-GMO

Benefits
  • IMPROVES SLEEP QUALITY: Glycine, a semi-essential amino acid, may support relaxation and the ability to fall asleep due to its potential calming effect on the brain
  • IMPROVES COGNITIVE CLARITY: Studies suggest glycine may support memory performance.
  • INGREDIENT PURITY: Our gluten-free, Glycine contains 1000 mg per serving, a higher dose than many other brands supplements, maximizing potential benefits
  • ROOTED IN QUALITY: Manufactured and Tested in the USA from Globally Sourced Ingredients. Double Wood's Glycine is manufactured and tested for microbes and heavy metals right here in the USA from Globally Sourced Ingredients. Plus, it is Non-GMO and gluten-free
  • WE BOTTLE WELLNESS: At Double Wood we provide pure, potent supplements that deliver exceptional value, all backed by careful sourcing and rigorous third-party testing

Directions & Dosage

We recommend taking 1000 mg – 2000 mg (2-4 capsules) of Glycine per day on an empty stomach. If using Glycine to support sleep quality, take the full day’s dose 1-2 hours before going to sleep. We do not recommend exceeding a dosage of 5000 mg (10 capsules) per day.

View Latest Test Results

Third-party tested for quality and purity

This production lot was tested for glycine content, heavy metals, and microbial quality.

Test Claim or Limit Result
Potency
L-Glycine NLT 1000 mg/serving 1007.09 mg/serving
Heavy Metals
Cadmium (≤4.1 µg/day) ≤3.4 ppm <0.022 ppm
Lead (≤0.5 µg/day) ≤0.4 ppm <0.085 ppm
Total Mercury (≤3.0 µg/day) ≤0.2 ppm <0.005 ppm
Arsenic (≤10 µg/day) ≤8.3 ppm <0.035 ppm
Microbial Testing
Total Aerobic Count ≤10,000 cfu/g <1,000 cfu/g
Yeast & Mold ≤1,000 cfu/g <1,000 cfu/g
Coliform ≤100 cfu/g <10 cfu/g
E. Coli Absent Absent
Staphylococcus Aureus Absent Absent

Lot: AHSDBManufactured: 03/2025

Lab: Canyonside Labs - Twin Falls ID

View Certificate of Analysis (PDF)

See the original Certificate of Analysis for complete testing details, methods, and laboratory documentation.
View Certificate of Analysis View Third Party Test Results

Every batch is manufactured in a cGMP facility and third-party tested for identity, potency, and contaminants including lead, cadmium, arsenic, and mercury.

Identity, potency, and contaminants verified per batch Identity, potency, and contaminants verified per batch
Manufactured in an FDA-registered cGMP facility Manufactured in an FDA-registered cGMP facility
Manufactured in the USA from Gloabally Sourced Materials Manufactured in the USA from Gloabally Sourced Materials

Benefits

  • Sleep quality - Glycine, a semi-essential amino acid, may support relaxation and the ability to fall asleep due to its potential calming effect on the brain.
  • Cognitive clarity - This supplement may support healthy, quality sleep without causing next-day grogginess. Studies suggest glycine may support memory performance.
  • Potent formulation - Our gluten-free, Glycine contains 1000 mg per serving, a higher dose than many traditional supplements, potentially maximizing benefits.
  • Premium ingredients - We prioritize using top-quality, pure raw materials. Most of our products are non-GMO, gluten-free, and USA-manufactured from globally sourced ingredients, with available Certificates of Analysis.
Benefits

Glycine

A simple amino acid found in collagen-rich foods. As a dietary nutrient, it is found in foods and may complement an everyday nutrition routine. It is commonly chosen to supports restorative sleep, collagen formation, and metabolic balance.

Glycine

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Reviews
Supplement Facts

Pairs well with

Powerful alone, stronger together. Glycine Supplement delivers targeted support on its own, but combining it with complementary ingredients can help create a more holistic and balanced approach to wellness.

  • Magnesium Chloride Supplement

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  • Zinc Picolinate Supplement

    Zinc Picolinate offers an easily absorbed source of zinc to support your daily nutritional needs for overall wellness.

Overall rating: 4.928571 / 5 from 14 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Glycine Great for Sleep

"After years of search for a reliable sleep aid I finally found Double Wood glycine. It works fast with no tossing and turning. Thank you!"

— Jane H. (5/5)

Every night before bedtime!

"A perfect supplement for a sound sleep. Every night!"

— Mark Z. (5/5)

"So far so good. I loved how fast they arrived."

— Sandra (5/5)

Good value

"The only negative is the fillers. I wish they didn't use them."

— Sam T. (4/5)

all their products' are great

"all their products' are great"

— Jose B. (5/5)

Excellent Product

"Helps me sleep while keeping my liver and kidneys healthy!"

— John T. (5/5)

It works

"I feel and look younger."

— Sonja D. (5/5)

Glycine

"Excellent product! Help me sleep at night."

— Melanie M. (5/5)

I use Double Wood's Glycine

"I use Double Wood's Glycine with a couple of other supplements to help me fall asleep easier at night - it really helps...."

— Teresa B. (5/5)

I have difficulty with sleep

"I have difficulty with sleep onset. I found 4000 mg of glycine 45 minutes before lights out with 2000mg of magtein and 400mg of L-theanine has soled the problem"

— Fred R. (5/5)

Q&A

I bought Glycine 1000mg from Double Wood. In the ingredient table, it show &quot;L-Gycine&quot; instead of &quot;L-Glycine&quot;. I wonder if this is a typo, or I bought fake ones?
Hello! We are so sorry for the issue. We have identified a typo on the most recent batch of Glycine and are working to correct the problem. If this item was purchased through our website or through our Double Wood store on Amazon we can assure you the product is authentic and the material has not been impacted in any way. Please contact our customer service department if you have further questions. customerservice@doublewoodsupplements.com

Glycine Supplement

From

$ 19.95

Primary Benefit

Sleep

Other Benefits

Anxiety & Stress

Product Form

Capsule
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