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When side effects do occur, they're typically mild: Common (mild): Drowsiness or fatigue (especially initially) Slight warmth or flushing Vivid dreams or altered sleep patterns Injection site reactions (redness, slight swelling) Rare: Headaches Mood changes Appetite fluctuations Important note : Serious adverse effects are extremely rare in the literature and user reports when proper epithalon peptide dosage guidelines are followed

Kang, M

10.3390/molecules191119066 21 ChangC

Neural Regeneration Research, 2022, 17 3: 482-487

If dizziness occurs regularly after B12 supplementation, its a good idea to consult a doctor