As I go tiptoeing through the floral herbs that are now nutrition supplements, I found some interesting ones in the L – M – N – O – P – Q – R – S part of the alphabet.
Not surprisingly, melatonin has attracted a lot of attention and this NIH article looks at some of these studies on its effectiveness to ease insomnia.

Noni comes from a tropical fruit-bearing tree native to southeast Asia. This supplement may be effective as both an antioxidant and possibly as a cancer-fighting substance. The NIH article can be found here.

Peppermint oil is an essential oil that is examined for possible health benefits. This NIH article reviews these studies.

Over the counter probiotics are sold everywhere.  But are they effective? And if so, for what ailments? This NIH article gets into that.

You may have seen CoenzymeQ10 advertised somewhere. But does it repair muscle cells? This NIH article looks into it.

Quercetin and Vitamin C, when combined, has been shown to kill the SARS coronavirus (among others) in the lab setting.  This NIH article looks into several studies regarding this flavonoid compound.