Table 2: Baseline and posttreatment serum level of hormones in maca and placebo-treated subjects (mean ± standard error; Mann-Whitney test).

LHFSHEstradiol TestosteronefT4TSH
(IU L−1)(IU L−1) (nmol L−1) (nmol L−1)(pmol L−1) (mIU L−1)

Maca
0 weeks114.03 ± 0.504.40 ± 0.370.10 ± 0.0119.92 ± 1.7516.31 ± 0.292.35 ± 0.30
12 weeks112.90 ± 0.333.75 ± 0.370.10 ± 0.0120.10 ± 2.2416.91 ± 0.621.58 ± 0.23
P value0.090.230.760.880.950.07

Placebo
0 weeks73.82 ± 0.504.46 ± 0.500.09 ± 0.0119.43 ± 2.2514.02 ± 0.682.92 ± 1.63
12 weeks72.99 ± 0.573.55 ± 0.640.11 ± 0.0118.63 ± 2.1515.28 ± 0.722.63 ± 1.38
P value0.230.230.171.000.231.00

Luteinizing hormone; follicle-stimulating hormone; free thyroxin; thyroid-stimulating hormone.