刚才去看了umf 5+的好像不贵The UMF Ratings (measure of antibacterial strength): 0-4: Not detectable 5-9: Maintenance levels only (a nice table honey but not recommended for special therapeutic use) 10-15: Useful levels endorsed by the Honey Research Unit at The University of Waikato 16 and over: Superior levels with very high activity. I think 10 is too high antibacterial strength, is not good for 3yo child... It like eating medicine (antibaotic) everyday... I would like them to start on UMF 5 first to slowly build up their strength and maybe after 10yo then give them UMF 10 if the child is still prompt to sickness...