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This bypasses the digestive system, which is ideal if your body has trouble absorbing B12 naturally
More on this in the common peptide mistakes guide
Your body produces it on its own, but production declines significantly with age, from roughly 200 ng/mL at age 20 to around 80 ng/mL by age 60
Because theyre smaller than full proteins, they are easy to absorb, allowing these signals to work quickly and efficiently across everything from metabolism to cellular repair
Heres how each one helps: Glutathione reduces melanin production and brightens overall skin tone Tranexamic acid stops inflammation that causes dark spots and melasma (brown patches) Niacinamide improves skin texture, reduces redness, and strengthens the skin barrier Together, these three ingredients attack dark spots from different angles, giving you faster and better results
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