These include: Nausea (most common, especially during dose escalation) Vomiting Diarrhea Constipation Reduced appetite (expected and part of the mechanism) Abdominal discomfort These effects are most pronounced during dose titration and tend to diminish over time as the body adapts
The Takeaway Vitamin B12 supplementation has been recommended by institutions like the Mayo Clinic for years, but when it comes to muscle health and functionality, other supplements tend to steal the spotlight
If you have been diagnosed with a B12 deficiency, your healthcare provider may recommend either sublingual B12 supplements or B12 injections
Rhonda Patrick, a biomedical scientist and founder of FoundMyFitness, emphasizes: "NAD+ levels can go up when we exercise or fast, but NAD+ precursors like NR and NMN boost them further, supporting energy production and cellular repair."[17] She notes that combining lifestyle with supplementation yields optimal results
Serious or Rare Side Effects These are less common but require immediate medical attention : Severe nausea or vomiting leading to dehydration Persistent stomach pain (which could indicate pancreatitis) Gallbladder issues such as gallstones or inflammation Rapid heartbeat or dizziness Allergic reactions (rash, swelling, or difficulty breathing) Who Should Be Cautious
