dried oak bark in a wooden spoon on a white background. phytotherapy and disease prevention. herbal collection for medicinal

alchemy bark benefits collection contraindications decoction disease drug dry environment folk forest fragile healing health heap herbal immunity industry ingredient lumber lumberyard man material medicine meranti mockup nature oak peeling plant prevention properties shavings shredded splinters spoon summer tea timber tincture treatment wastes whittled wood wooden woodworking work