Table 2.

Effect of spirulina and aloe vera on ulcers/vesicles/erosions.

	Spirulina			Aloe vera
	Present	Absent	Reduced	Present	Absent	Reduced
Baseline	20	1	–	19	2	–
After 1 month	14	4	3	16	2	3
After 2 months	10	6	5	12	4	5
After 3 months	4	11	6	8	8	5