Taurine vs Glycine
On Reddit, owners rate Glycine higher overall (3.9 vs 3.5). Scores summarize self-reported experiences and are not evidence that either will work for you.
| Taurine | Glycine | |
|---|---|---|
| Type | capsules or powder | powder or capsules |
| SnoozeVerdict score | 3.5 | 3.9 |
| Owner sentiment | 3.9 | 3.7 |
| Recommendations | 1.0 | 3.4 |
| Tolerability | 4.5 | 4.5 |
| Owner comments | 59 | 281 |
| Rated comments | 35 | 143 |
| Unwanted effects reported | 11% | 10% |
| Top praise | Dose & timing, Falling asleep faster | Dose & timing, Deeper sleep |
| Top complaints | Side effects | Side effects, Dose & timing |
By sleep problem
| Context | Taurine | Glycine |
|---|---|---|
| Falling asleep | 4 of 4 positive | 8 of 11 positive |
| Staying asleep | Too few comments | 9 of 14 positive |
| Morning grogginess | 2 of 3 positive | 2 of 4 positive |
| Deep sleep | 3 of 4 positive | 20 of 22 positive |
| Anxiety at night | Too few comments | 1 of 3 positive |
Our guide covers the serotonin caution for 5-HTP and tryptophan. For the full picture, see our sleep supplement ratings built from Reddit owner comments. Our sleep supplement shortlists group top-rated options by what people report.
What owners say about Taurine
4/5“Recently I've seen improvement by taking magnesium and taurine before bed.”
4/5 CalmingSide effects“I used to have severe health anxiety and deal with stress daily, tried alot of stuff, Taurine in the morning and magnesium before bed helped mostly, I noticed less brain fog and more calm and focus during the day, idk is it directly…”
4/5 Calming“I would also suggest adding 200mg of theanine to your stack, possibly in place of the taurine.”
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: Taurine dosage and timing · Glycine side effects · Glycine dosage and timing
Talk to a doctor or pharmacist before switching or combining supplements, particularly if you take other medicines.