The Vagus Nerve Hack That’s Blowing Up on TikTok—Does It Work?

If you’ve seen people plunging their faces in ice water or humming like bees on TikTok lately, you’ve probably stumbled onto the latest viral wellness trend: **vagus nerve stimulation**. This nerve might just be the chill switch your nervous system has been waiting for—but does it actually work?

🛠️What Is the Vagus Nerve, Anyway?  
The vagus nerve is the longest cranial nerve in your body, running from your brain to your gut. It plays a huge role in the parasympathetic nervous system—aka your rest-and-digest mode. Stimulating it can help regulate stress, digestion, heart rate, and even mood.

❄️TikTok Hacks: Ice Baths, Humming & More  
TikTok users claim that cold plunges, deep breathing, humming, and even gag reflex stimulation can activate the vagus nerve. Some popular methods:  
- Facial ice baths or cold showers  
- Long, deep exhales (try 4-7-8 breathing)  
- Gargling or chanting "Om"  
- Legs up the wall yoga pose  

Science says? While more research is needed, many of these techniques are supported by early studies showing their effects on vagal tone and heart rate variability.

🧡Should You Try It?  
If you're dealing with anxiety, poor digestion, or burnout, gentle vagus nerve stimulation could be worth exploring. It’s low-risk, free, and surprisingly relaxing. Bonus: some techniques may even improve gut-brain communication.  

Start small:  
- 2 minutes of humming in the shower  
- 3 minutes of deep breathing before bed  
- A quick cold splash to your face in the morning  

---  
Want to support your nervous system from the inside too? Check out Greenlabco's adaptogen-packed formulas for stress resilience and mood balance.