L-5-MTHF Natural S-Isomer

L-5-MTHF Natural S-Isomer and 6 near-identical products are sold under 7 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
L-5-MTHF Natural S-Isomer	Designs for Health
L-5-MTHF 1,000 mcg	Seeking Health
Folic Acid Vitamin B9 1 mg	Dr. Clark Store
Folic Acid 1 mg	Dr. Clark Research Association Dr. Clark Zentrum
L-5-MTHF	Adaptogen Research
Methylfolate	Advanced Nutrition by Zahler
L-Methylfolate 1,000 mcg	Cardiovascular Research