Table 2.

Saw palmetto formulations

Manufacturer	Species	Plant part	Preparation	Standardization	Stated amount of marker (mg)	Measured amount marker (mg) (average of two lots)	Percent of label claim	Suggested servings per day	Total daily dose of marker compound (mg)
a	Serenoa repens	Fruit	Extract	Match ‘standard’	—	45.1 ± 0.9	—	6	270.6
b	Serenoa serrulata	Fruit	Extract	75–85% fatty acids	—	75.0 ± 1.4	—	2	150
c	N/A	N/A	N/A	N/A	—	52.4 ± 2.3	—	2–4	104.8–209.6
d	Serenoa repens	Fruit	Extract	80% fatty acids	128	103.8 ± 8.2	81 ± 6%	2	207.6
e	Serenoa repens	Fruit	Extract	45% sterols	36	27.8 ± 2.5	77 ± 7%	4	111.2
f	Serenoa repens	Fruit	Extract	Total free fatty acids 35–45%	136–152#	133.2 ± 1.4	93 ± 1%	2	266.4
g	Serenoa repens	Fruit	Extract	80% fatty acids	64	68.1 ± 2.4	106 ± 4%	4	272.4
h	N/A	N/A	N/A	N/A	128	101.6 ± 0.7	79 ± 1%	2	203.2

*Reported as two separate products since lots were different preparations;

^#use 144 for comparison;

N/A = information not available.