Taking NAD+ (Nicotinamide Adenine Dinucleotide) via troche (sublingual) or injection is often considered more effective than oral capsules or tablets due to absorption and bioavailability. Here’s why:
Superior Bioavailability
- Troche (sublingual): Absorbs directly into the bloodstream through the mucous membranes under the tongue, bypassing the digestive system and liver (first-pass metabolism).
- Injection (IM or IV): Delivers NAD+ directly into the bloodstream or muscle, ensuring near-total absorption and immediate availability for cellular use.
- Capsules/Tablets: Go through the digestive system, where much of the NAD+ is broken down or poorly absorbed, reducing its effectiveness.

Faster Effects
- Injections (especially IV NAD+) can yield rapid cognitive and energy-boosting benefits, often within minutes to hours.
- Troches act faster than pills, usually taking effect in under 30 minutes.
- Oral supplements may take days or weeks of consistent use to build up effective levels.
Direct Cellular Support
- Energy metabolism (ATP production)
- DNA repair
- Cellular aging
- Mitochondrial function
NAD+ plays a critical role in these processes. Efficient delivery via injection or troche means more NAD+ reaches your cells, where it’s needed most.
Avoiding Gastrointestinal Side Effects
- Oral NAD+ supplements can sometimes cause nausea, bloating, or digestive upset.
- Sublingual and injectable methods bypass the gut, minimizing these issues.
Best For:
- Injections: People needing rapid rejuvenation, energy boost, or dealing with chronic fatigue, aging-related decline, or after illness.
- Troche: Those seeking a convenient, non-invasive, and more effective daily option than pills.
- Oral NAD+: Best for general maintenance if other methods aren’t available.
Read all about the multiple benefits of NAD+ here and book your shot today!