Vitamin B
RN Labs
Active-form B complex
A comprehensive B-vitamin complex providing all eight B vitamins in their most bioactive, methylated or coenzyme forms. Folinic acid and hydroxy-B12 are included specifically to support those with MTHFR gene variants.
Bioclinic Naturals
High-dose methylcobalamin
Provides 5000mcg methylcobalamin (active B12) in a tablet that dissolves under the tongue, bypassing digestive absorption entirely. Suitable for confirmed B12 deficiency and impaired intrinsic factor.
InterClinical
Manganese bisglycinate
Provides chelated manganese alongside cofactors supporting antioxidant enzyme activity (MnSOD), bone matrix formation, carbohydrate metabolism and thyroid hormone function.
RN Labs
Benfotiamine (lipid-soluble B1)
Benfotiamine is a lipid-soluble form of vitamin B1 (thiamine) with significantly higher bioavailability than standard thiamine. Used clinically to support glucose metabolism and nerve health in conditions of metabolic stress.
RN Labs
Active vitamin B6 (P-5-P)
Provides vitamin B6 as pyridoxal-5-phosphate (P5P), the active coenzyme form that bypasses hepatic conversion and is directly available for neurotransmitter synthesis, hormone metabolism and haemoglobin production.