But there are also some other signs unrelated to hair that may indicate a B12 shortfall: Fatigue, weakness and lack of energy Lightheadedness Pale skin Shortness of breath Heart palpitations Loss of appetite Numbness and tingling Cognitive changes like memory loss Depression Along with hair shedding, some other specific hair-related symptoms can signal low vitamin B12 levels: Thinning hair on the scalp or other body parts Dry, brittle hair prone to breaking Unusual hair texture - straight hair becoming curly or vice versa Faster graying of hair Changes to the hairline, like a widening part However, many factors beyond nutrient deficiency can also cause hair loss and premature graying
Mild side effects may include: Temporary headache Nausea Dizziness Local irritation at the injection or nasal site Any severe reactions should be addressed immediately, and use should be discontinued
doi: 10.3109/00365529109093214
Recalls & Warnings July 16, 2025 Organic and Mineral Sunscreens, Tints, Recalled On March 12, 2025, Kabana Skin Care recalled four brands of organic and/or mineral sunscreen products due to unspecified "deviations" in Current Good Manufacturing Practices (cGMPs)