If you have trouble with nutrient absorption due to the presence of intestinal inflammation, poor gut health, or a deficiency of those intrinsic factors we mentioned, then taking an oral supplement may not be that helpful
Short answer: If you can absorb B12, high-dose oral B12 (1,0002,000 mcg/day) is as effective as intramuscular injections for normalizing levels in most people (AAFP
Treats Neuropathy Conditions: Effective for acute neuropathy, sciatica, rheumatoid neuropathy, and multiple neuropathy
For androgenetic alopecia specifically, the most evidence-supported complete approach is: finasteride (prescription, primarily men) or minoxidil (OTC) as the pharmaceutical foundation, copper peptides as the daily cellular support layer, and scalp microneedling to amplify topical penetration
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