Development 61 KalchhauserI.FarleyB
The subcutaneous injection is absorbed directly into the bloodstream, so food does not affect its absorption or effectiveness
The injectable treatment is typically intramuscular, and the process takes only a few minutes to complete and delivers the vitamin directly into your system, bypassing digestion for maximum absorption and effectiveness
A large real-world cohort of 547,993 matched patients (Vidal/Akiska et al., JAAD International 2026) showed, at 12 months, an increased risk of both telogen effluvium (raised by around 76%) and androgenetic alopecia (raised by around 64%)
No clinical trial has directly compared split dosing to weekly dosing at the same total weekly amount
Injection site reactions (redness, itching, small nodules) were observed in roughly 5-15% of participants