Melatonin vs Glycine
On Reddit, owners rate Glycine higher overall (3.9 vs 3.7). Scores summarize self-reported experiences and are not evidence that either will work for you.
| Melatonin | Glycine | |
|---|---|---|
| Type | tablets, capsules or gummies | powder or capsules |
| SnoozeVerdict score | 3.7 | 3.9 |
| Owner sentiment | 3.2 | 3.7 |
| Recommendations | 4.5 | 3.4 |
| Tolerability | 4.1 | 4.5 |
| Owner comments | 1212 | 281 |
| Rated comments | 637 | 143 |
| Unwanted effects reported | 22% | 10% |
| Top praise | Dose & timing, Falling asleep faster | Dose & timing, Deeper sleep |
| Top complaints | Side effects, Dose & timing | Side effects, Dose & timing |
By sleep problem
| Context | Melatonin | Glycine |
|---|---|---|
| Falling asleep | 62 of 94 positive | 8 of 11 positive |
| Staying asleep | 36 of 58 positive | 9 of 14 positive |
| Morning grogginess | 14 of 76 positive | 2 of 4 positive |
| Deep sleep | 21 of 22 positive | 20 of 22 positive |
| Anxiety at night | 12 of 26 positive | 1 of 3 positive |
| Vivid dreams | 9 of 48 positive | Too few comments |
| Jet lag & shift work | 22 of 30 positive | Too few comments |
Read why low-dose melatonin comes up so often. You can also compare all rated sleep aids on one page. For quick shortlists by sleep problem, see which sleep supplements Reddit rates highest.
What owners say about Melatonin
4/5 Morning grogginessSide effects“Honest take, melatonin helps a lot of people fall asleep a bit faster at first, but it never felt like deep, natural sleep for me, and bigger doses left me groggy.”
2/5“I think the correct dose for most ppl is 0.25-0.5mg, and more is not better with Melatonin.”
2/5 Side effects“I had a similar experience and I can feel what you are going thru rn because I went thru the same shit myself , here is my take , melatonin might have been the trigger for the first bad nights of sleep but it's believe that afterwards you…”
What owners say about Glycine
4/5 Deeper sleep“glycine on its own was the missing piece for me for years.”
5/5 Taste & form“Glycine is what I swear by. One teaspoon with green tea in the morning and one before sleep. I took it primarily for collagen but with time noticed the effect of calmness, it is now harder for me to become agitated and stressed.”
2/5 Side effects“i experience a paradoxical effect to glycine, it gives me extreme anxiety & insomnia.”
More detail: Melatonin side effects · Glycine side effects · Glycine dosage and timing
Talk to a doctor or pharmacist before switching or combining supplements, particularly if you take other medicines.