It’s not very pleasant in my opinion. I think you might be better off necking DG as a 100ml shot and not putting it into a different drink. I tried that once with my morning Huel and I won’t be doing it again.
I agree with Phil above. Pineapple is the closest match on your list to the taste of DG.
Sweeteners is not a complaint that I’ve registered with before so I’m sorry about this! Can you get in touch so we can investigate this for you? If you can drop us an email to team@huel.com we’ll look into your experience and the batch