B1 vs Sulbutiamine for energy
Short answer: For energy, more users report improvement with Sulbutiamine — 94% of 86 reports, versus 50% of 2 for B1.
Sulbutiamine has 0 meta-analyses and 4 randomized trials on PubMed; the other has not been graded.
Based on 16 reports about B1 and 489 about Sulbutiamine. Not medical advice.
| B1 Supplement | Sulbutiamine Supplement | |
|---|---|---|
| Users say it helped | 39%helped5 reports · few reports | 58%helped161 reports · high confidence |
| Verdict | Mostly negative | Mixed |
| Research | Not graded | CResearch: Limited |
| Meta-analyses / RCTs | — | 0 / 4 |
| Mainly used for | ||
| Energy % reporting improvement | 50% (2) | 94% (86) |
| Focus % reporting improvement | — | 89% (46) |
| Mood % reporting improvement | — | 76% (46) |
| Anxiety % reporting improvement | — | 85% (20) |
| Memory % reporting improvement | — | 100% (12) |
| Common side effects | fatigue, brain fog | tolerance, headache, nausea, vomiting |
| Typical dose reported | 500 mg / daily | 100mg / daily |
B1Full B1 profile →
What a user said
“Once I got my B1 levels back up, I was able to eat carbs and sugars again without getting crazy blood sugar spikes.”
SulbutiamineFull Sulbutiamine profile →
What a user said
“Combined with Sulbutamine was like a laser cruise control. I feel like a six year old kid in focus terms again.”
Related comparisons
Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate