The highlighted supplements (creatine monohydrate, magnesium bisglycinate, vitamin D3 + K2) all have published research relevance to muscle loss mitigation and recovery during caloric restriction
Published Nexus variants include 2mg, 5mg, 10mg, 20mg
All this being said, research has found that most people with kidney disease are deficient in vitamin C.[5] If someone is deficient, then supplementing vitamin C or changing the diet may make sense
Lower Digestive Load: During a fast, your body isn't diverted by the heavy task of breaking down a meal, which may allow it to focus more effectively on cellular uptake and antioxidant distribution
These include vitamins C and E, glutathione, coenzyme Q10, selenium, and zinc
If growth hormone optimization is the target, CJC-1295/Ipamorelin is often sufficient without layering additional compounds