Totally agree.
Berberine, found in Barberries, seems to have very interesting properties:
Cancer fighting:
MDM2 inhibition-mediated autophagy contributes to the pro-apoptotic effect of berberine in p53-null leukemic cells
https://www.ncbi.nlm.nih.gov/pubmed/31881227
Synergistic antitumor effect of melatonin with several chemotherapeutic drugs on human Ewing sarcoma cancer cells: potentiation of the extrinsic apoptotic pathway
https://www.ncbi.nlm.nih.gov/pubmed/20025643
Melatonin inhibits AP-2β/hTERT, NF-κB/COX-2 and Akt/ERK and activates caspase/Cyto C signaling to enhance the antitumor activity of berberine in lung cancer cells
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4823085/
Anticancer effect of berberine based on experimental animal models of various cancers: a systematic review and meta-analysis
https://bmccancer.biomedcentral.com/articles/10.1186/s12885-...
Berberine enhances chemosensitivity to irinotecan in colon cancer via inhibition of NF‑κB
https://pubmed.ncbi.nlm.nih.gov/24173769/
Berberine and Curcumin Target Survivin and STAT3 in Gastric Cancer Cells and Synergize Actions of Standard Chemotherapeutic 5-Fluorouracil
https://www.tandfonline.com/doi/full/10.1080/01635581.2015.1...
Pre-treatment with berberine enhances effect of 5-fluorouracil and cisplatin in HEP2 laryngeal cancer cell line
https://www.ncbi.nlm.nih.gov/pubmed/29460537
Decreasing blood glucose levels (beneficial for cancer patients as well)`:
Efficacy of Berberine in Patients with Type 2 Diabetes
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2410097/
Liu S., Fang Y., Shen H., Xu W., Li H.: Berberine sensitizes ovarian cancer cells to cisplatin through miR-21/PDCD4 axis. Acta. Biochim. Biophys. Sin., 2013; 45: 756-762
Pandey M.K., Sung B., Kunnumakkara A.B., Sethi G., Chaturvedi M.M., Aggarwal B.B.: Berberine modifies cysteine 179 of IκBα kinase, suppresses nuclear factor-κB-regulated antiapoptotic gene products, and potentiates apoptosis. Cancer Res., 2008; 68: 5370-5379
But apparently dosage is key, and there is such a thing as too small a dose!
Hormetic Effect of Berberine Attenuates the Anticancer Activity of Chemotherapeutic Agents
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4589364/
Sodium Caprate promotes absorptions of Berberine in the intestine
https://pubmed.ncbi.nlm.nih.gov/20237966/
Also barberries tastes good.