A little while ago when I was looking for blogspiration a friend told me to take a look at a certain “nutritionist” on twitter. Since then, I’ve had her on my back burner because she certainly looked like she would have some good blog fodder (cured her incurable illness through diet) but I couldn’t be bothered to look through all her posts. Well, today’s the day I move her to the front burner.
I was reading her post on the healing properties of aloe. I found myself hoping that she would provide a balanced picture because I didn’t really want to write about aloe. Sadly, she did not, so here we are. As I feel that simply extolling the virtues of a food, without providing cautions is irresponsible, even if you don’t have a regulatory body protecting the public from you. Sorry, sorry, I digress.
In her post she writes about the magical properties of aloe: anti-viral, anti-bacterial, anti-inflammatory. Unfortunately, there she didn’t link to any research so I can’t comment on the quality of the studies used to make these claims. As far as I can tell, to date there’s been very little (if any) research on human subjects. However, some in vitro studies and animal have shown some promise when it comes to the anti-viral (1, 2) and anti-microbial (3, 4) properties of aloe vera. Of course, based on the current research, there’s no way to know what dose or form of aloe would (if at all) be effective in humans. It’s entirely possible that oral ingestion of aloe would not have any positive benefits in relation to viruses and bacteria.
Some mouse studies and in vitro have shown promising wound healing and anti-inflammatory effects of aloe vera (when administered both topically and orally) (5, 6). Again, there has yet to be any conclusive research done in humans.
Okay, it sounds a bit promising but… Then come the concerns. Before you start adding a handful of aloe vera plant to your smoothie you should be aware that the exterior portion of the leaf has a laxative effect. There are other longer lasting concerns about aloe vera consumption than diarrhea. My friend Helen has written about many of them on her blog Food and Nonsense. These include a risk of cancer and impaired liver function. Over at Examine, the only conclusive research they’ve found so far for aloe supplementation is for increased intestinal motility (i.e. to combat constipation). The Mayo Clinic provides a long list of cautions against the ingestion of aloe vera products, including the risk of inducing uterine contractions in pregnant women. I’ve also blogged about the consumption of aloe vera juice in the past.
I believe that my final statement in that post stands the test of time: Just because it’s “natural” doesn’t mean it’s good for you.