I currently use the red & tacky grease in my travel trailer wheel bearings. It is readily available and is very reasonably priced.
I have used other Lucas products in the past with some success. Sure it might be snake oil but it saved me (or allowed me to avoid spending) money I didn't have at the time. I'm specifically referencing their transmission slip fix in a 1998 Chrysler T&C. Agree it didn't fix the issue, but it saved me miles and time in a van that ended up being replaced due to several other issues anyway (body, brake line rusting, A/C, power steering etc...). I agree once you have mechanical issues there is no fix except repair, but the thicker fluid did allow several thousand miles to be gained out of the already worn out transmission. I used Lucas oil stop leak in the power steering of this same van. We were young, flat a$$ broke with 2 little kids and needed it to limp along and that it did. We retired the ole girl with just shy of 300,000 km's on her in 2009.
Just my $0.02