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Active inflammatory conditions (e.g., untreated rosacea, severe acne) can counteract its remodeling signals

Injectable timelines are not well characterized in published trials, but community planning typically uses 4-8 week cycles for the same reason: change in skin or hair quality is slow to appear

However, with direct injection, if you do not need the additional B12, it may result in high levels in your blood that can cause side effects including gastrointestinal issues, headache and dizziness, tiredness and weakness, or skin irritation until the excess is flushed out via your kidneys and urine

The 100 mg vial works well for many experiments in skin, wound-healing, and tissue-repair research