Yeah, I'm using monkfruit as sweetener and antioxidant, definitely
not for its taste!
Xylitol hasn't been mentioned yet. I'd think the taste should be OK, to me it does taste like sugar. But praps too laxative, if that isn't desired?
I'm using it directly after eating for my teeth, my "tooth cleaner" recommended it rather than brushing immediately. Proven better for teeth than sugar, but not yet proven to be actually good for teeth, like she told me. When I put about 1g in my mouth, my teeth react immediately, with a "sugary" feeling, which makes me unsure.
From my knowledge and reading it up again, unrefined sugar is only slightly better than refined sugar in most respects - simple carbs like fructose, glucose, fructose.
The WHO lump them together as 'free sugars' and recommend to keep them low (< 25g).
Vitamin and minerals content in unrefined sugars is insignificant.
Most agave products are highly processed = refined; 'natural' doesn't mean unprocessed.
Maple syrup has a little bit of minerals and antioxidants, but mainly the darkest sorts.
Agave does have a lower glycemic index, but glycemic
load appears to be more important than the index.
Honey's glycemic
load for 25g is 12, white sugar's for 25g is 16, for instance.
The glycemic
index of maple syrup is 54, table sugar's is 65.
Less yes, but not that much.
Weight and metabolic health are worsened by all free sugars.
All these free sugar containing 'natural sugars' are bad for my teeth, acidity (cause heartburn) which I feel immediately and a dentist confirmed after I'd eaten good natural hardly 'processed' honey 10 years or so ago. And bad for my lipids - even D-ribose increases triglycerides).
So I prefer to keep them down like all simple carbs, not just the "unprocessed" ones.
(My carbs mainly come from hardly processed gluten free rolled oats/rice (11% sugar, half (?)from berries, half added as raw cane sugar and rice sugar), and sometimes quinoa.)
But coming back to the OP as well as my first sentence, I can't imagine the aftertaste coming from the erythritol, as that tastes pretty much like sugar, like xylitol, I think it's the monkfruit, so I'd just keep that out of it.
Erythritol might even be better than xylitol for teeth, better for gut/digestion and no impact on blood sugar, whilst xylitol does. Whoops, sounds like I'll have to swap to erythritol!
Monkfruit and stevia are sweet from glycosides.
Xylitol is a polyalcohol / sugar alcohol and has negligible effect on blood glucose and insulin, EFSA approved, has 40% less calories than sucrose, its glycemic index is 7% of glucose.
(thefoodmedic, eatwellnz, cancercenter, healthline....)
On an aside to "EFSA", I'm just watching a 5h UK doctor's meeting on supplements I 'bought'. This has so far has confirmed that supps are actually fairly well regulated, but European supps quite a bit more than US ones, e.g. there has to be a lot of scientific evidence to make any health claims here.