Nerve problems like numbness or tingling, muscle weakness and problems walking
* Sweating * Headache * Dizziness **Very Rare Side Effects (may affect up to 1 in 10,000 people):** * Acne **Not Known (frequency cannot be estimated from the available data):** * Nerve damage (neuropathy) with prolonged use
We offer a variety of vitamin options to suit your needs, including: Vitamin B12 Injections: Boost energy, mood, and metabolism
Do not double up the dose if it's close to your next scheduled one
The claim that nasal spray delivers equivalent or superior levels to injection is not supported by published data and is not a claim any legitimate researcher has made in print
Relative contraindications (metformin use, PPIs, H2-blockers) warrant monitoring but do not always prevent treatment