You will need...:

• water
• ground marallis berry
• s'ayanad crystal
• small troll tooth

1. ingredient water (x1)
2. ingredient ground marallis berry (x3)
3. ingredient s'ayanad crystal (x1)
4. boil (x1)
5. ingredient small troll tooth (x1)
6. seal (x1)

Purchase lesser health potion at the following player shops:

• Koreina's Outfitting - 500 - Icemule Trace
• Metrognome's Magic Shoppe - 750 - Wehnimer's Landing
• Estenagy's Magic Shoppe - 1,000 - Mist Harbor
• Laerlyn's Magic Shoppe - 5,000 - River's Rest

Zuzana says:
Will not work for reps at rank 38.

Arlia says:
If you notice a coppery brown haze, this means it worked.

Auratik says:
Seems to provide 50 health. Sometimes it doesn't work at all - regardless of how long it has been since you last drank one. I am guessing you need to have 50 or more health lost at the current time.