Phentermine raises heart rate and blood pressure and is contraindicated in patients with heart disease, but some GLP-1 medications have shown cardiovascular benefits in clinical trials
If the body learns to rely on an exogenous source, it could potentially stop producing it on its own, therefore when you go off the drugs it could potentially make the problem worse than when you started

Supplement Facts: Serving Size: 4.5g (half scoop) or 9g (full scoop) Servings Per Container: 60 (half scoop) / 30 (full scoop) Amount Per Serving: Beta-alanine: 1600mg (half) / 3200mg (full) Citrulline malate: 750mg (half) / 1500mg (full) of which citrulline: 500mg / 1000mg Betaine: 500mg (half) / 1000mg (full) Creatine monohydrate: 250mg (half) / 500mg (full) of which creatine: 220mg / 440mg Tyrosine: 250mg (half) / 500mg (full) Choline bitartrate: 250mg (half) / 500mg (full) of which choline: 102.5mg / 205mg Caffeine: 200mg (half) / 400mg (full) L-theanine: 100mg (half) / 200mg (full) Vitamin B6: 9mg (half) / 18mg (full) Niacin: 8mg (half) / 16mg (full) *RI - Reference Intake Ingredients: Beta-alanine, citrulline malate, betaine anhydrous, creatine monohydrate, tyrosine, choline bitartrate, anti-caking agent (E551), caffeine anhydrous, flavourings, L-theanine [green tea leaves extract (Camellia sinensis L.)

Due to the complementary research profiles of these peptides, Glow Blend remains a promising subject for continued laboratory investigation