The foundational research shelf

Vitamins & Minerals

Fat- and water-soluble vitamins, elemental minerals and chelated mineral forms — the base of almost every nutritional-science protocol.

Research Use Only

26 SKUs · mostly capsule

Identity + potency verified, lot by lot

Vitamin

Vitamin D3 (cholecalciferol)

Softgel · 120-count bottle

Studied in the nutritional-science literature for calcium and phosphate homeostasis and nuclear-receptor signalling.

102.6% potency
from $14–$24
Vitamin

Vitamin D3 + K2 (MK-7)

Softgel · 60-count bottle

Studied in the nutritional-science literature for vitamin K-dependent carboxylation of matrix Gla proteins.

101.8% potency
from $19–$24
Vitamin

Vitamin C (ascorbic acid)

Tablet · 180-count bottle

Studied in the biochemistry literature for ascorbate-dependent hydroxylase cofactor activity and electron transfer.

101% potency
from $14–$18
Vitamin

Liposomal Vitamin C

Liquid · 120mL bottle

Studied in the nutritional-science literature for phospholipid-vesicle encapsulation and ascorbate transporter kinetics.

101.1% potency
from $29
Vitamin

Vitamin B12 (methylcobalamin)

Tablet · 90-count bottle

Studied in the biochemistry literature for methylcobalamin cofactor chemistry in methionine synthase reactions.

100.6% potency
from $14–$19
Vitamin

B-Complex

Capsule · 60-count bottle

Studied in the metabolic-research literature for B-vitamin coenzyme availability across carboxylase reactions.

99.3% potency
from $19–$26
Vitamin

Vitamin A (retinyl palmitate)

Softgel · 90-count bottle

Studied in the biochemistry literature for retinoid nuclear-receptor binding and retinal chromophore chemistry.

100.8% potency
from $14–$19
Vitamin

Vitamin E (mixed tocopherols)

Softgel · 90-count bottle

Studied in the biochemistry literature for chain-breaking radical scavenging in lipid membrane compartments.

101.2% potency
from $14–$19
Vitamin

Vitamin K2 (MK-7)

Capsule · 60-count bottle

Studied in the biochemistry literature for menaquinone-dependent gamma-carboxylation and vitamin K cycle turnover.

101.6% potency
from $19–$26
Vitamin

Methylfolate (5-MTHF)

Capsule · 60-count bottle

Studied in the biochemistry literature for one-carbon methyl-donor chemistry in folate cycle turnover.

99.4% potency
from $16–$22
Vitamin

Biotin

Capsule · 120-count bottle

Studied in the biochemistry literature for biotin-dependent carboxylase cofactor activity in fatty-acid synthesis.

101.3% potency
from $14–$18
Vitamin

Thiamine (B1)

Capsule · 90-count bottle

Studied in the metabolic-research literature for thiamine pyrophosphate cofactor activity in decarboxylase reactions.

99.5% potency
from $14–$19
Vitamin

Riboflavin (B2)

Capsule · 90-count bottle

Studied in the biochemistry literature for flavin cofactor chemistry in FAD- and FMN-dependent redox reactions.

101.1% potency
from $14–$19
Vitamin

Vitamin B6 (P-5-P)

Capsule · 60-count bottle

Studied in the biochemistry literature for pyridoxal-5-phosphate cofactor activity in transaminase reactions.

101.9% potency
from $16–$21
Mineral

Magnesium Glycinate

Capsule · 120-count bottle

Studied in the nutritional-science literature for magnesium-dependent enzyme cofactor activity.

102.1% potency
from $19–$26
Mineral

Magnesium L-Threonate

Capsule · 90-count bottle

Studied in the nutritional-science literature for magnesium transporter kinetics and threonate carrier chemistry.

99% potency
from $27–$34
Mineral

Zinc Picolinate

Capsule · 60-count bottle

Studied in the biochemistry literature for zinc-finger structural chemistry and metalloenzyme cofactor activity.

100.1% potency
from $14–$18
Mineral

Selenium (selenomethionine)

Capsule · 90-count bottle

Studied in the biochemistry literature for selenocysteine incorporation into glutathione peroxidase enzymes.

100.9% potency
from $14–$18
Mineral

Iodine (potassium iodide)

Capsule · 90-count bottle

Studied in the biochemistry literature for iodide transporter kinetics and thyroglobulin iodination chemistry.

102.3% potency
from $14–$17
Mineral

Iron Bisglycinate

Capsule · 60-count bottle

Studied in the biochemistry literature for heme iron incorporation and non-heme enzyme cofactor activity.

99.3% potency
from $14–$17
Mineral

Chromium Picolinate

Capsule · 90-count bottle

Studied in the metabolic-research literature for chromodulin binding and insulin-receptor kinase signalling.

100.5% potency
from $14–$17
Mineral

Boron (glycinate)

Capsule · 90-count bottle

Studied in the biochemistry literature for borate ester formation with cis-diol containing biomolecules.

98.7% potency
from $14–$17
Mineral

Calcium Citrate

Tablet · 180-count bottle

Studied in the nutritional-science literature for calcium transporter kinetics and citrate chelation chemistry.

98.5% potency
from $14–$19
Mineral

Potassium Citrate

Capsule · 90-count bottle

Studied in the biochemistry literature for potassium gradient maintenance across Na-K-ATPase transporters.

99.8% potency
from $14–$18
Mineral

Manganese

Capsule · 60-count bottle

Studied in the biochemistry literature for manganese-dependent superoxide dismutase cofactor activity.

100.3% potency
from $14–$17
Mineral

Molybdenum

Capsule · 60-count bottle

Studied in the biochemistry literature for molybdopterin cofactor activity in sulphite oxidase reactions.

102.2% potency
from $14–$18