Hi Mike,
That is great to know - thank you!
Okay, so 37.5 ug/scoop, 73 ug/shake, or 375.5 ug/day if only consuming Huel… Including the water, an all Huel diet would then contain over 4 times the average daily nickel consumption for adults.
But I think it’s the chocolate flavor that really got me. Cocoa powder is roughly 9.8 ug/g so with 5.5% cocoa powder in the shake I’ve been having that’s roughly 25 ug extra per scoop which makes the above numbers: 62.5/scoop, 125 ug/shake or 625 ug/day if only consuming Huel. That’s wild, and should explain my problems.
But who knows, maybe an occasional vanilla shake a few times a week could work for me at some point down the line! 
Best,
Jonas