L-Serine

Online ordering is turned off while transitioning to the new Systemic Formulas website. If you have placed orders within the past 2 years, your account has been moved to systemicformulas.com. Please visit again at systemicformulas.com on Monday, February 2, 2026 to view our new website and continue to place orders.

Showing all 3 results

Out of stock. Join the waitlist to be notified when this product becomes available.

2 – Builder
$32.50
Out of stock. Join the waitlist to be notified when this product becomes available.

CXK Kidneys
$45.00
Out of stock. Join the waitlist to be notified when this product becomes available.

K – Kidney
$32.50

Exciting changes are here!

We have relaunched systemicformulas.com with updates and new features on Monday, February 2nd, 2026. Ordering has been moved to systemicformulas.com. If you have ordered within the past 2 years, your account has been moved to systemicformulas.com. Otherwise, you may create a new account there and begin ordering right away!

2 – Builder

CXK Kidneys

K – Kidney