I am not a doctor. Good to talk to an Ayurvedic Doctor.
I did Google Searches
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4003704/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3425142/
https://www.ayurvedacollege.com/blog/prostatecancer/
https://www.planetayurveda.com/prostate-cancer/
http://ayurveda.alandiashram.org/ayurvedic-treatment/prostate-cancer
https://vibrantayurveda.com.au/ayurvedic-management-benign-prostate-conditions/
I took and am taking Ayurveda medicines which reduced PSA from 6.5 to 3.2. Do not know the effect on Cancer though.
1. Himplasia made by Himalaya Wellness Company
https://himalayawellness.in/products/himplasia
https://www.google.com/search?q=Himplasia&sa=X&rlz=1C1SQJL_enUS881US881&biw=1920&bih=880&tbm=shop&sxsrf=APwXEdfLcyWZ0lNbrCENvEKRgNmr0xzk_g:1687463587470&tbs=p_ord:p&ei=o6aUZNbxG_mOur8P6PCh-A0&ved=0ahUKEwiWz87d09f_AhV5h-4BHWh4CN8Quw0IggwoAg#spd=14192419694719911917
2. Prostaid by Baidyanath
https://www.storeela.com/product/baidyanath-prostaid-50-tablets-pack-of-2/
https://www.baidyanath.com/about-us
3. Charak Pharma Prosteez Tablet Useful in Prostate Enlargement
https://www.amazon.com/Artcollectibles-India-Prosteez-Prostrate-Hyperplasia/dp/B01JH0V7VY/ref=sr_1_7?crid=2NG2SVBRQQFGR&keywords=prostate+medicine+ayurveda&qid=1687463976&sprefix=prostate+medicine+ayurveda+%2Caps%2C129&sr=8-7
4. Prostact Tablet by Kerala Ayurveda
https://www.keralaayurveda.biz/product/prostact-tablet
5. DIVYA PROSTOGRIT TABLET - Ayurvedic Medicine by Patanjali.
https://www.patanjaliayurved.net/
Best Luck