Reality Index data · Comparison
Reishi vs Glycine for Sleep
Both scored across 186 Reddit threads in our October dataset (1,645 posts total, 5 communities, outcome-language scoring). Here's how they actually compare — numbers first, verdict after.
| Reishi | Glycine | |
|---|---|---|
| User approval | 84% | 97% |
| Threads mentioning it | 130 | 56 |
| Upvotes on those threads | 3,379 | 10,649 |
| Positive outcome posts | 41 | 29 |
| Negative outcome posts | 8 | 1 |
| Avg upvotes per thread | 26 | 190 |
The verdict, by the numbers
Glycine wins on approval — 97% vs 84% , a decisive 13-point gap. On conversation volume, Glycine dominates: 10,649 upvotes of engagement versus 3,379. Approval and attention point the same direction here.
Fit beats ranking, though. Reishi is the better match if your problem is a gentle adaptogenic experiment. Glycine fits deep, shallow sleep and morning grogginess. If you're unsure which problem you actually have, the 60-second Finder quiz sorts it.
“Creatine before sleep has been amazing for me. Creatine before sleep has been amazing for me I take about five grams dissolved in water right before going to be” — top Reishi thread, 651 upvotes
“Here's what ACTUALLY helps me sleep:. Here's what ACTUALLY helps me sleep: What's up sleep hustlers, hope you got some sleep. A little about me. I am a female i” — top Glycine thread, 523 upvotes
Read the full breakdowns
Reishi: the honest guide →
Glycine: the honest guide →
Both in the full ranked comparison →
Self-reported community sentiment (October 2026 edition, methodology on the Reality Index report) — expectations data, not clinical proof.