TimingGlycine

Best before bed

When to take Glycine

Before bed

Glycine is an amino acid that lowers core body temperature slightly, which helps you fall asleep and sleep more deeply. Take it shortly before bed.

Updated 2026-10-25

Best time in your day

  1. Wake
  2. Workout
  3. Breakfast
  4. Lunch
  5. Evening
  6. Workout
  7. Dinner
  8. Walk
  9. Bed
When
30–60 minutes before bed
Food
With or without food
Typical dose
3 g before bed

How to take it

  1. 1Mix 3 g powder in water or tea
  2. 2Take it 30–60 minutes before bed
  3. 3Combine with magnesium if desired
  4. 4Use it nightly

Watch out

It's generally well tolerated; mild stomach upset is possible.

Keep apart from

  • Clozapine

Common questions

Does it taste sweet?

Yes, it's naturally sweet.

Will I feel groggy?

Studies show less morning grogginess.

Is it in collagen?

Yes, collagen is about one-third glycine.

Explore further

Commonly used for

Sleep

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For general education only, not medical advice. Talk to a qualified doctor before starting or changing supplements, especially if you are pregnant, nursing or on medication.