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Vitamin Inhibitors

Cat.No. Product Name Information Product Use Citations Product Validations
S4245 Sodium ascorbate Sodium Ascorbate (Sodium Vitamin C) is a more bioavailable form of vitamin C that is an alternative to taking ascorbic acid as a supplement.
Clin Transl Med, 2021, 11(7):e495
J Am Soc Nephrol, 2020, 31(1):54-65
Biochem Biophys Res Commun, 2018, 503(2):420-427
S5220 D-Pantethine Pantethine (Bis-pantethine, Pantetina, Pantomin, Pantosin) is a naturally occurring compound synthesized in the body from pantothenic acid (vitamin B5) via addition of cysteamine and used as a dietary supplement for lowering blood cholesterol and triglycerides.
Sci Adv, 2025, 11(43):eady9680
Eur J Pharmacol, 2024, 985:177058
Biomedicines, 2021, 9(9)1230
S1744 Nicotinic Acid Nicotinic Acid is a water-soluble vitamin belonging to the vitamin B family.
Gut Microbes, 2022, 14(1):2096989
Sci Adv, 2021, 7(30)eabf3895
S3211 Thiamine HCl (Vitamin B1) Thiamine HCl (Vitamin B1) is a water-soluble vitamin of the B complex, and its phosphate derivatives are involved in many cellular processes.
Signal Transduct Target Ther, 2024, 9(1):86
Nat Commun, 2023, 10.1038/s41467-023-43261-8
S5082 Vitamin K2 (Menaquinone) Vitamin K2 (Menaquinone) is an important fat-soluble vitamin that plays critical roles in protecting heart and brain, and building strong bones. It also plays an important role in cancer protection.
Aging (Albany NY), 2023, 15(24):14764-14790
Int J Stem Cells, 2020, 10.15283/ijsc20152
S4144 Amprolium HCl Amprolium chloride is a thiamin antagonist, which prevents carbohydrate synthesis by blocking thiamine uptake.
Signal Transduct Target Ther, 2024, 9(1):86
Nat Commun, 2023, 10.1038/s41467-023-43261-8
S4083 Vitamin A Acetate Vitamin A Acetate (Retinyl, Retinol) is a group of unsaturated nutritional hydrocarbons, that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids, among which beta-carotene is the most important.
Neural Regen Res, 2024, 19(1):205-211
Stem Cells Transl Med, 2017, 6(9):1803-1814
S1921 Phenindione Phenindione (Rectadione, phenylindandione) is an anticoagulant which functions as a Vitamin K antagonist.
J Immunother Cancer, 2024, 12(11)e009805
S2540 Riboflavin Riboflavin (Vitamin B2, E101) is an easily absorbed micronutrient with a key role in maintaining health in humans and other animals.
J Mol Model, 2022, 28(6):153
S5592 Vitamin A (Retinol) Vitamin A (Retinol) is a naturally occuring fat-soluble vitamin that is important for normal vision, the immune system, and reproduction. It also plays roles in normal functioning of heart, lungs, kidneys, and other organs.
Stem Cells Transl Med, 2017, 6(9):1803-1814
S5474 Dibenzoyl Thiamine Dibenzoyl Thiamine (Bentiamine, O,S-Dibenzoylthiamine), a lipophilic derivative of vitamin B (thiamine), is a kind of food additive that can be rapidly absorbed into the body and converted to thiamine.
J Mol Model, 2022, 28(6):153
S6102 Thiamine pyrophosphate hydrochloride Thiamine pyrophosphate hydrochloride (cocarboxylase) is a thiamine (vitamin B1) derivative which is produced by the enzyme thiamine diphosphokinase. It is a coenzyme of many enzymes, most of which occur in prokaryotes and is involved in the regulation of basic metabolism.
J Mol Model, 2022, 28(6):153
S2297 Ergosterol Ergosterol is a sterol and a biological precursor (a provitamin) to vitamin D2.
J Mol Model, 2022, 28(6):153
S6614 Fursultiamine Fursultiamine (Thiamine tetrahydrofurfuryl disulfide) is a nutritional supplement and vitamin B1 derivative, with potential antineoplastic activity.
J Mol Model, 2022, 28(6):153
S5558 D-Pantothenate Sodium D-Pantothenate Sodium, the sodium salt of D-pantothenate, is a derivative of vitamin B5 which is an an essential nutrient and plays important roles in the oxidation of fats and carbohydrates and certain amino acids.
Front Cell Dev Biol, 2019, 7:204
S5311 Pyridoxal phosphate Pyridoxal phosphate (Pyridoxal 5'-phosphate, PAL-P, PLP, Vitamin B6), the active form of vitamin B6, acts as a coenzyme in all transamination reactions, and in certain decarboxylation, deamination, and racemization reactions of amino acids.
J Immunother Cancer, 2024, 12(9)e009603
S1767 Beta Carotene Beta Carotene(β-Carotene) is an organic compound and classified as a terpenoid. It is a precursor (inactive form) of vitamin A.This product has poor solubility, animal experiments are available, cell experiments please choose carefully!
S4486 Thiamine monochloride Thiamine (Vitamin B1) monochloride is an essential vitamin that plays an important role in cellular production of energy from ingested food and enhances normal neuronal actives.
S4503 Calcium D-Panthotenate Calcium D-Panthotenate (D-Pantothenic Acid Calcium), also called vitamin B5 Calcium, is a water-soluble vitamin and an essential nutrient for many animals.
S5568 Tocofersolan Tocofersolan (Tocophersolan) is a synthetic water-soluble version of vitamin E that is used in treatment of vitamin E deficiency.
S5668 Chlorindione Chlorindione is an antagonist of vitamin K.
S5386 7-Dehydrocholesterol 7-Dehydrocholesterol (7-DHC, Provitamin D3) is the direct precursor of free cholesterol in the cholesterol biosynthetic pathway in mammalian tissues and also a biosynthetic precursor to vitamin D3.
S4126 Retinyl (Vitamin A) Palmitate Retinyl (Vitamin A) Palmitate is a more stable, synthetic version of the essential nutrient vitamin A joined to palmitic acid.
S5203 Sulbutiamine Sulbutiamine is a synthetic derivative of thiamine (vitamin B1), belonging to a class of supplements shown to help improve memory, learning capacity, decision-making, concentration, and focus.
S5955 Thiamine nitrate Thiamine (Vitamin B1) nitrate is an essential vitamin that plays an important role in cellular production of energy from ingested food and enhances normal neuronal actives.
S4871 Pyridoxal 5-phosphate monohydrate Pyridoxal 5-phosphate monohydrate is an active vitamin B6 metabolite, which is a cofactor in many reactions of amino acid metabolism.
S4695 D panthenol D panthenol (Dexpanthenol, D-Panthenol, Pantothenol, Ilopan, D-Pantothenyl alcohol) is an alcoholic analogue of D-pantothenic acid and cholinergic agent.
S3681 Vitamin E Acetate Vitamin E Acetate (Tocopherol) is the stable form of Vitamin E most often used in cosmetic formulations for its skin care benefits. It protects the cells against free radicals and prevents the peroxidation of body fats as an in-vivo antioxidant., This compound is the stable form of Vitamin E most often used in cosmetic formulations for its skin care benefits. It protects the cells against free radicals and prevents the peroxidation of body fats as an in-vivo antioxidant.
S4698 Vitamin K1 Vitamin K1 (Phyllohydroquinone, Phylloquinone, Phytomenadione, Phytonadione), made by plants, is a major type of dietary vitamin K, which is well-known for its role in blood clotting. This compound is directly involved in photosynthesis.
E6070New Vitamin K Vitamin K is a fat-soluble vitamin essential for blood clotting, bone health, and regulating calcium in the body. It facilitates the carboxylation of specific proteins, enabling them to bind calcium and perform vital functions such as coagulation and bone mineralization.
E4913 Calcifediol monohydrate Calcifediol monohydrate(25-hydroxy Vitamin D3 monohydrate), is an effective vitamin D receptor (VDR) ligand and VD supplement. It acts as an inhibitor of vitamin D receptor (VDR) Calcifediol is a prohormone of the vitamin D endocrine system (VDES) and is hydroxylated in the liver to produce the active form, calcitriol. Calcifediol can rapidly increase serum VD levels.
S4779 Menadiol Diacetate Menadiol Diacetate (Vitamin K4, Acetomenaphthone, Kapilin) is a synthetic hydrophilic menadione compound, which is clinically used as hemostasis medicine. It induces caspase-3-related apoptosis pathway via mitochondrial dysfunction and DNA fragmentation.
S3113 Pyridoxine HCl Pyridoxine HCl (Vitamin B6,Pyridoxol hydrochloride) is a form of vitamin B6.
S3171 Amprolium Amprolium(Amprol), an anticoccidial drug, is an antagonist of thiamine (vitamin B1) that significantly affects thiamine transport and utilization in cells.
S4994 Methylcobalamin Methylcobalamin (Mecobalamin, Vancomin, Methycobal, Cobametin) is one active form of vitamin B12 which can directly participate in homocysteine metabolism. It is used to treat some nutritional diseases and other diseases in clinic, such as Alzheimer's disease and rheumatoid arthritis.
S5846 Apocarotenal Apocarotenal is a carotenoid found in spinach and citrus fruits and plays a role as a precursor of vitamin A.
S4987 Inositol niacinate Inositol Niacinate (Inositol hexanicotinate, Myo-Inositol hexanicotinate) is a formulation of niacin, which is also called vitamin B3, an essential human nutrient.
S3980 Pyridoxine Pyridoxine (Pyridoxol, Vitamin B6, Gravidox), also known as vitamin B6, is a form of vitamin B6 found commonly in food and used as dietary supplement. It is a cofactor for both glutamic acid decarboxylase and GABA transaminase.
S4811 VitaMin U Vitamin U (Methylmethioninesulfonium Chloride, Cabagin-U, Smethylmethionine) is a vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.
S1466 Calcitriol (1,25-Dihydroxyvitamin D3) Calcitriol is a nonselective vitamin D receptor activator/agonist(VDRA), exhibiting a 10-fold higher vitamin D receptor (VDR) binding affinity(IC50=0.4 nM) than the selective VDRA paricalcitol. Solutions are unstable and should be fresh-prepared.
Cell Commun Signal, 2025, 23(1):104
Cancer Sci, 2025, 116(7):1871-1882
Cureus, 2025, 17(4):e82934
Verified customer review of Calcitriol (1,25-Dihydroxyvitamin D3)
S3130 Biotin (Vitamin B7) Biotin (Vitamin B7) is a B-vitamin and acts as a necessary coenzyme for cell growth, the production of fatty acids, and the metabolism of fats and amino acids. It is covalently attached to distinct lysine residues in histones, affecting chromatin structure and mediating gene regulation.
Cancer Commun (Lond), 2025, 10.1002/cac2.70036
PLoS Pathog, 2020, 16;16(3):e1008341
J Biol Chem, 2018, 293(24):9461-9472