B12 in stacks underrated essential or unnecessary add-on?

Research suggests potential cardiovascular benefits in certain cases.

Many lifters use them for pump enhancement.

Better circulation might support endurance and recovery.

Heart health benefits still under active research.

Originally designed for vascular function improvement actually.

Some doctors study them for pulmonary hypertension treatment.

Bodybuilders notice stronger pumps during training sessions.

Effects mainly come from nitric oxide pathway support.

Daily microdosing discussed widely in longevity communities.

Not replacement for cardio or healthy lifestyle.

Blood flow improvement may aid nutrient delivery.

Potential benefits depend on individual cardiovascular health.

Pumps increase due to vasodilation during workouts.

Long term effects still need more research.

Many combine with citrulline for stronger pumps.