Ashtangasamgraha 9.58

9.58

naconaḥ ṣoḍaśādvarṣāt saptateḥ parato na ac |

āyuṣkāmo naraḥ strībhiḥ saṃyogaṃ gantumarhati ||

kacchudārāṅkuradrākṣāvarṣābhūjīrakadvayam ||

tena yāti śamaṃ tasya sarvato viplutaṃ manaḥ |

siddhā kriyā prayojyeyaṃ deśakālādyapekṣayā ||

A man desiring longevity should not engage in sexual intercourse with women / when he is under sixteen years of age, nor beyond seventy.
Cowhage, [and] the two [kinds of] cumin: jīraka and caraway, with sprouts of dārā and grapes;
thereby his mind, completely agitated, attains tranquility. / This proven treatment should be employed with consideration of region, season, and other factors.