Common Deficiency Symptoms Common symptoms of Vitamin B12 deficiency include: Fatigue Weakness Pale skin Shortness Mouth Issues: Sore, red tongue, mouth ulcers, bleeding gums Gastrointestinal: Loss of appetite, weight loss, nausea, diarrhea, constipation Nerve issues like numbness/tingling Mood changes (depression, irritability) Memory problems Key Differences: NAD+ vs B12 NAD+ and B12 both boost energy, but NAD+ acts as a deep cellular, anti-aging repair agent, while B12 provides immediate metabolic energy and red blood cell support
Despite the limitations of peptides, such as poor metabolic stability and low bioavailability, modified peptides show promise in addressing these challenges
It represents a fundamentally different approach to skin rejuvenation compared with GHK-Cu
Start carefully, alternate usage, choose lower concentrations, use a buffering moisturiser, apply appropriately, avoid over-exfoliation, use sun protection, hydrate and soothe, and listen to your skin to avoid sensitivity while using glycolic acid and retinol together