Table 2.

In vivo bioavailability of fucoxanthin in humans.

Doses of F 1 Administered	FxOH in Plasma	Reference
6.1 mg 1 week	0.8 nmol/l after 1 week	[45]
31 mg one dose	44 nmol/L at 4 hours	[49]
2 mg/d 8 weeks	2.7 nmol/L after 8 weeks	[26]

¹ As in Table 1.