The most common include gastrointestinal issues such as abdominal pain, diarrhea, constipation, and nausea
This can be an indicator, along with other biomarkers such as high blood urea nitrogen (BUN) and low GFR, for kidney damage
What Is Peptide Stacking and Why It Works Stacking peptides is like using both a hammer and a screwdriver on the same project
Allergic Reactions symptoms such as rash, itching, or swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing Gastrointestinal problems symptoms such as severe abdominal pain, nausea or vomiting, diarrhoea Cardiovascular problems symptoms such as chest pain or discomfort, irregular heartbeat, or palpitations, swelling of the ankles, feet, or legs Unexplained tiredness or weakness Unusual bleeding or bruising High blood pressure Impaired vision How To Manage Side Effects Diarrhea Drink Fluids: Drink clear fluids such as water, broths, and oral rehydration solutions (ORS)
But Im not convinced that B12 is readily absorbed via the sublingual route