Unfortunately, these foods often make the cycle even worse
Chronic diseases such as Crohn's, celiac disease and gastritis can impair vitamin B12 absorption
The side effect profile at the 12mg dose includes nausea (28% of participants), diarrhea (23%), constipation (17%), and vomiting (12%)
They work differently, have distinct challenges, and are better suited to different goals
A weekly or twice-weekly injection visit creates a touchpoint weigh-ins, accountability, coaching
Some people notice an energy or clarity lift from NAD+ within a short window, while peptide driven repair and skin changes tend to build gradually over weeks