Organic Neem OIl in a dropper bottle
Ayurvedic Birth Control
"Neem may be the first truly effective birth control for men (Riar, 1988). One drop of oil ingested each day for one month produced reversible male antifertility without affecting sperm production or libido (Deshpande, 1980) (Sadre, 1984). In India and the United States, exploratory trials show neem extracts reduced fertility in male monkeys without inhibiting libido or sperm production (Sharma, et al, 1987)." Taking more than one drop of oil, however, can produce severe illness!
In a test of neem’s birth control effects with members of the Indian Army, daily oral doses of several drops of neem seed oil in gelatin capsules were given to twenty married soldiers. The effect took six weeks to become 100 percent effective, it remained effective during the entire year of the trial and was reversed six weeks after the subjects stopped taking the capsules. During this time the men experienced no adverse side effects and retained their normal capabilities and desires. (Vietmeyer, 1992) There were no pregnancies of any of the wives during the period of the study.
There has not been a lot of current research done on this technique and we cannot recommend it.
"As a follow-up to these experiments, the Indian army provided neem oil to 20 soldiers and their families as a birth-control measure. This trial was considered so successful that the colonel in charge of the program was honored by the prime minister. A neem-oil formulation called "Sensal" is now sold in India for contraceptive purposes.
Neem-leaf extracts have also shown promise as male birth-control products because they reduce fertility in a variety of male mammals. Reportedly, there was no impotence or loss of libido" https://www.nap.edu/read/1924/chapter/8#68