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Not if you ask our customers, who self-inject our methyl B12 on a daily basis
Last Updated on April 22, 2026 When normal soreness and real warning signs are not the same thing See which post-injection symptoms usually settle quickly and which ones deserve prompt follow-up
While methylcobalamin may be more readily absorbed than synthetic types, research has not shown a significant difference among the various vitamin B12 types
A patch test before full application can identify potential sensitivities
We may adjust your dosage or monitor your Vitamin B12 levels more closely to ensure your health is not compromised
Those who are more deficient in Vitamin B12 may report faster recovery time as their symptoms are more noticeable and improvements are detected earlier
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