It's well worth getting.
Nutrobol is made off a 20 year old formula. Repashy is updated as an when it's necessary.
I can confidently say you're even likely to notice activity increase just by using it.
If you have any concerns, doubts or worries about your animals health always consult a qualified veterinarian (with the necessary experience).
Nobody can properly diagnose an animal based on descriptions and photos. Especially when those animals, such as reptiles, have a small list of visible symptoms than can be found across a large range of problems.
Always see a vet. Don't let strangers on the internet make you do something you'll regret. They won't take responsibility.