Alanyl-L-Glutamine (Sustamine)
Solid evidence for hydration. Not a miracle worker, but genuinely useful for the right person.
Verdict
6/10 Mixed
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Glutamine that survives. Stable form for hydration formulas.
DOES IT WORK?
6/10 Mixed. Dipeptide form more stable in liquid than free glutamine. Used in hydration products. May improve water absorption during exercise.
HOW MUCH TO TAKE
1-2g in hydration drink
COST
Mid-range. $35-50/month. Standard for most people.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Most people notice something by week 2-3.
SAFETY
Safe for most people. No red flags at normal doses.
HOW IT FEELS
Better hydration. Less fatigue in endurance events.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
How effective is creatine monohydrate at different doses? Here's what the research shows.