Both are great products.
SlinMax is a little more expensive than some other GDA products out there, but is well worth the cost. If you search threads which people look for ingredients to make their own, you will see that almost all of the ingredients recommended are in SlinMax and at the dose suggested.
Na-R-ALA reduces blood sugar and improves glycogen storage.
Agmatine improves glucose uptake and insulin sensitivity of skeletal muscles.and glucose uptake in skeletal muscle tissue. Agmatine stimulates the release of beta-endorphin (β-endorphin) that helps move glucose out of the bloodstream and into muscle tissue.
Berberine is incredibly effective at controlling insulin levels and glucose disposal.
Nutriverse has 20% off SlinMax, just add it to your cart, and you can save an additional 5% with code AM5. This makes it cheaper than Slintensity, if price is an issue. There are also B1G1 50% deals out there with I can help you with.
https://www.nutri-verse.com/slinmax/