Pumpkin seeds, nettle root and beta-sitosterol: any use?

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2:12 Pumpkin seeds contain fatty acids, phytosterols, and zinc. There are a couple of studies showing some improvement in mild symptoms, but again, small, short-term trials, lacking the rigour of a level one registered study.

2:27 The same goes for nettle root, which is sometimes combined with saw palmetto. Then there's beta-sitosterol, a phytosterol that is present in many plants. It's perhaps the one with the most interesting data.

2:41 A Cochrane review from years ago showed improvement in urinary flow and symptoms, but the studies were few, short, and with few patients. No one has done a large, definitive trial.