Nicotine is one of the most misunderstood performance compounds on the planet. Most people hear “nicotine” and instantly think cigarettes, vaping, cancer, addiction, and they’re right to hate the delivery methods. But pure nicotine, isolated from smoke and combustion, has a very different story. In this episode of the Weaponize Body Podcast, Dr. Ryan Hewitt breaks down nicotine as a cholinergic stimulant that interacts with nicotinic acetylcholine receptors, influencing dopamine, norepinephrine (adrenaline), and acetylcholine signaling. Translation: nicotine can enhance focus, motivation, reaction time, alertness, and cognitive output, why high-performance professionals (athletes, pilots, surgeons, executives) have used it as a tool for decades.

But there’s a line you don’t want to cross. Nicotine can raise heart rate and blood pressure, disrupt sleep quality, blunt parasympathetic recovery, and create tolerance/dependency if you use it wrong. We’ll cover the pros, the cons, what research suggests about potential neuroprotection (Parkinson’s, Alzheimer’s, ADHD, depression), and the smarter alternatives, so you can build performance without wrecking recovery.

What You’ll Learn / Highlights

→ What nicotine actually does (dopamine, norepinephrine, acetylcholine)

→ Nicotine benefits for focus, working memory, motivation, reaction time

→ The real risks: sleep disruption, dependency, tolerance, cardiovascular load

→ How late-day nicotine impacts HRV, resting heart rate, deep sleep

→ The “tool vs crutch” mindset (performance boost without lifestyle addiction)

→ Why delivery method changes addictiveness (fast delivery = higher risk)

→ What research is exploring: neuroprotection, therapeutic microdosing, cycling

→ Safer long-term options: caffeine + L-theanine, Alpha GPC, creatine, sleep

→ Signs you’re using nicotine wrong (burnout masking, irritability, “need it” feeling)

Learn more about Dr. Ryan Hewitt by visiting the following links:

Dr. Ryan Hewitt Website