[FIXED] [GTW] Scientists' serum was completely ineffective

I have the same problem, the only way the Scientist serums work is if my played sim is giving them to others, let's say I have Sim A and Sim B and let's say I wanna turn Sim A into a ghost with ghost goo, I'll have to put the ghost goo into Sim B's inventory and give it with the friendly serum option to Sim A  and the serum will work but as you said if Sim A is drinking the ghost goo nothing happens.

Also it's 100% reproducible I created 200 ghost goos I had Sim A drink 100 and nothing happened, I've put 100 in Sim B's inventory to give them to Sim A that way and Sim A  was turned into a ghost as it should be

I have no CC, I repaired the game,deleted the cache files that I'm allowed to delete and nothing changed

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What expansions, game packs, and stuff packs do you have installed? .
Steps: How can we find the bug ourselves? .
What happens when the bug occurs? .
What do you expect to see? .
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system?

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Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What expansions, game packs, and stuff packs do you have installed? [GTW]: Get To Work [GT]: Get Together [CL] City Living [CD] Cats & Dogs [OR]: Outdoor Retreat [SD]: Spa Day [DO] Dine Out [V] Vampires [PH] Parenthood [LSP]: Luxury Stuff Pack [PPSP]: Perfect Patio Stuff Pack [SSP]: Spooky Stuff Pack [KSPS] Kid's Room Stuff Pack [BYSP] Back Yard Stuff Pack [VGSP] Vintage Glamour Stuff [FSP] Fitness Stuff Pack
Steps: How can we find the bug ourselves? I am not sure it started after I updated to 1.41.68.1020
What happens when the bug occurs? None of the potions from the science career work.
What do you expect to see? I tried the potions that changed emotion and they no longer affect the sim that takes it.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? Yes
Please describe the patch or change you made. patch 1.41.38.1020

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I also have this bug no mods no cc

same here!

I have same problem, too. 

I wonder when this bug will be fixed.

I bought Get to Work a long time ago, like a very long time ago. I experimented a little with Scientist but not for long, so I never progressed far. This is the first time I have actually done anything with the three Active jobs. I thought it was my game but it seems to be having an effect on everybody.

Drinking serums you create does not work, you can give but not take. It's a very big disappointment and I hope it will be fixed.

P.S.

I am not using any mods.

Same thing, I have a ton of serums and it's asking my sim to drink or give away a tainted serum. I must have had him drink ten of them, nothing happened to him and it didn't go away on the job board. I gave a ghost goo serum and the grim reaper showed up? but no one died and no one turned into a ghost. There is never any effect from any serum my sim makes. I had once where a sim drank a serum my sim made, and then passed out? but that was it! 

This happened to me after the latest patch (pets stuff).

This needs to be fixed ASAP, my gameplay is completely broken now!