The Extended 20-Day Protocol Some practitioners recommend a longer cycle for potentially enhanced benefits: Daily dose : 5-10mg Duration : 20 consecutive days Total per cycle : 100-200mg Frequency : 1-2 times per year This extended protocol may be particularly suitable for older individuals or those seeking more pronounced effects on biological aging markers
The goal is a routine you can repeat: cleanse, apply the focused serum step, add moisturising support, and avoid adding too many strong products before you know how your skin responds
Caviedes A, Lafourcade C, Soto C, Wyneken U
you may need it to see problems
As a result, the Food and Nutrition Board recommends that those over 50 get at least half of their daily allowance of B12 from fortified foods or supplements
Severe reactions need medical attention