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Alpha Lipoic Acid CellMark Ingredients Alpha Lipoic Acid (ALA) is a naturally occurring compound that functions as an antioxidant. This product is also available in granular form. Request Sample
APOCAROTINAL DISPERSION 20 MCT BASF Human Nutrition APOCAROTINAL DISPERSION 20 MCT is beta-carotene in oil form dispersion in MCT. Some carotenoids are used in the food industry mainly as colorants in lemonades, margarine, butter, edible oils, soup powders, pastry and baked goods, confectionery, ice cream,...展开 APOCAROTINAL DISPERSION 20 MCT is beta-carotene in oil form dispersion in MCT. Some carotenoids are used in the food industry mainly as colorants in lemonades, margarine, butter, edible oils, soup powders, pastry and baked goods, confectionery, ice cream, custard, cheese, yoghurt and other dairy products. In addition to the coloring effect, carotenoids play an important role in metabolic functions. As it is not teratogenic, beta-carotene (provitamin A) in particular is added to many vitamin-fortified food products as a safe source of vitamin A. 收起
BCAA CellMark Ingredients BCAA (Branched chain amino acids) supplements are popular for boosting muscle growth and enhancing exercise performance. This product is supplied as a white granular powder. Components include L-Leucine, L-Isoleucine and L-Valine. Request Sample
BETA-CAROTENE 10% DC BASF Human Nutrition Beta-carotene 10% DC is a powder form with gelatin. It has two independent effects in humans: It is a source of vitamin A and it prevents the harmful effects of free radicals.
BETA-CAROTENE 10% DC/GFP BASF Human Nutrition Beta-carotene 10% DC/GFP is a powder form with starch. It has two independent effects in humans: It is a source of vitamin A and it prevents the harmful effects of free radicals.
Beta-Carotene 20% CWD/R BASF Human Nutrition Beta-Carotene 20% CWD/R is a precursor form of Vitamin A supplied as a powder. It prevents the harmful effects of free radicals. This product is used in the fortification and coloration of foods, beverages, and dietary supplements.
BETA-CAROTENE 20% DC BASF Human Nutrition Beta-carotene 20% DC is a powder form with gelatin. It has two independent effects in humans: It is a source of vitamin A and it prevents the harmful effects of free radicals.
BETA-CAROTENE 22% HS HP BASF Human Nutrition Beta-carotene is an oil form dispersion in corn oil. It has two independent effects in humans: It is a source of vitamin A and it prevents the harmful effects of free radicals.
Biotin & Triturations CellMark Ingredients Biotin (Vitamin B7) is available as D-Biotin USP form or triturated with your desired carrier to Biotin 1%, Biotin 5%, Biotin 10%, or according to specification. Typical carriers for triturations are Calcium Sulfate, DCP, MCC, Maltodextrin, or Mannitol. Request Sample
Caffeine Anhydrous CellMark Ingredients Caffeine Anhydrous (Natural Caffeine, Synthetic Caffeine) is supplied as a white powder. This product is extract from green coffee beans. Request Sample
Caffeine Anhydrous Granular 0.6/1.8 BASF Human Nutrition Caffeine Anhydrous Granular is a caffeine powder in crystalline form. It is applied in beverages and chewing gum.
CAFFEINE ANHYDROUS GRANULAR S BASF Human Nutrition Caffeine Anhydrous Granular S is a caffeine powder in crystalline form. It is applied in beverages and chewing gum.
Calcium Ascorbate CellMark Ingredients Calcium Ascorbate (Vitamin C Ca Salt) is a buffered form of Vitamin C. It can be used as a Vitamin C supplement, which benefits multiple body functions. Request Sample
Calcium Carbonate CellMark Ingredients Calcium Carbonate (GCC, Calcium Carbonate Granular) is supplier as a white to off-white granular powder. It can be used to improve bone, muscle, nerve, and heart health. It can also be used as an antacid. Request Sample
CALCIUM-D-PANTOTHENATE BASF Human Nutrition Calcium-D-Pantothenate is Vitamin B in powder form.
Chiro-Inositol CellMark Ingredients Chiro-Inositol (D-Chiro Inositol) supports fat metabolism, nerve functioning, and female health. This product is supplied as a white crystalline powder. Request Sample
Choline Chloride CellMark Ingredients Choline Chloride is a white, hygroscopic powder that is very soluble in water and in alcohol. It has health benefits and can be used to enhance bodybuilding performance and to lessen the effects of fatigue. Request Sample
Citrus Bioflavanoid CellMark Ingredients Citrus Bioflavanoid (Hesperidin) has antioxidant and anti-inflammatory benefits. This product is supplied as a yellow-brown to tan powder. Request Sample
Co-Enzyme B12 CellMark Ingredients Co-Enzyme B12 (Vitamin B12, Dibencozide, Adenosylcobalamin, Cobamamide) is available in pure form or triturated with your desired carrier to Co-Enzyme B12 1%. Typical carriers for triturations are DCP, MCC, Maltodextrin, or Mannitol. Request Sample
Crystal E® RRR-alpha-tocopherol (α-tocopherol) CellMark Ingredients Crystal E® is a co-crystallized stable, crystalline powder of α-tocopherol without any chemical modification or an encapsulation process. Key advantages over current Vitamin E include the following: highest potency for Vitamin E powder >80%, higher bioava...展开 Crystal E® is a co-crystallized stable, crystalline powder of α-tocopherol without any chemical modification or an encapsulation process. Key advantages over current Vitamin E include the following: highest potency for Vitamin E powder >80%, higher bioavailability, and excellent stability, flowability and compressibility. Additional benefits include no chemical modification with SiO2 or esterification, reduced tablet/capsule size/weight, and original Vitamin E form (α-tocopherol) 1:1 conversion for 2020 FDA nutrition label regulations. 收起 Request Sample
Cyanocobalamin & Triturations CellMark Ingredients Cyanocobalamin (Vitamin B12) is available as Cyanocobalaimin USP form, or triturated with your desired carrier to Cyanocobalamin 0.3%, Cyanocobalamin 1%, Cyanocobalamin 2%, Cyanocobalamin 5%, Cyanocobalamin 10%, Cyanocobalamin 20% or according to specific...展开 Cyanocobalamin (Vitamin B12) is available as Cyanocobalaimin USP form, or triturated with your desired carrier to Cyanocobalamin 0.3%, Cyanocobalamin 1%, Cyanocobalamin 2%, Cyanocobalamin 5%, Cyanocobalamin 10%, Cyanocobalamin 20% or according to specification. Typical carriers for triturations DCP, MCC, Maltodextrin, Sorbitol, or Mannitol. 收起 Request Sample
DL-ALPHA-TOCOPHEROL BASF Human Nutrition DL-Alpha-Tocopherol is Vitamin E in oil form. In combination with vitamin C and antioxidant enzymes such as glutathione peroxidase, vitamin E forms an integral part of the so-called antioxidant network. It is used in dietary supplements and food applicat...展开 DL-Alpha-Tocopherol is Vitamin E in oil form. In combination with vitamin C and antioxidant enzymes such as glutathione peroxidase, vitamin E forms an integral part of the so-called antioxidant network. It is used in dietary supplements and food applications. 收起
DL-Phenylalanine CellMark Ingredients DL-Phenylalanine is also available as an Essential Amino Acid Blend (EAA) or granular form. Typical binders HPC or PVP. Request Sample
DRY VITAMIN A ACETATE 325 GFP BASF Human Nutrition Dry Vitamin A-Acetate 325 GFP is in powder form with acacia gum. Vitamin A provides protection for the entire ectoderm and benefits growth and functionality of the skin as well as the mucous membranes.
DRY VITAMIN A PALMITATE 250 FOOD BASF Human Nutrition Dry Vitamin A is powder form supplement with acacia gum. Vitamin A provides protection for the entire ectoderm and benefits growth and functionality of the skin as well as the mucous membranes.
DRY VITAMIN A PALMITATE 250 GFP BG BASF Human Nutrition DRY VITAMIN A PALMITATE 250 GFP BG is dry Vitamin A in powder form with modified food starch. Vitamin A provides protection for the entire ectoderm and benefits growth and functionality of the skin as well as the mucous membranes.
DRY VITAMIN A-ACETATE 250 DC/GFP BASF Human Nutrition DRY VITAMIN A-ACETATE 250 DC/GFP is dry Vitamin A in powder form with acacia gum. Vitamin A provides protection for the entire ectoderm and benefits growth and functionality of the skin as well as the mucous membranes.
DRY VITAMIN A-ACETATE 325 GFP/E BASF Human Nutrition Dry Vitamin A-Acetate 325 GFP/E in powder form with acacia gum.
DRY VITAMIN D3 100 GFP BASF Human Nutrition Vitamin D in powder form with acacia gum.
DRY VITAMIN D3 100 GFP HP BASF Human Nutrition Vitamin D in powder form with acacia gum.
DRY VITAMIN D3 50 GFP BASF Human Nutrition Vitamin D in powder form with acacia gum.
DRY VITAMIN E ACETATE 50% CWD BASF Human Nutrition DRY VITAMIN E ACETATE 50% CWD is dry Vitamin E in powder form with fish gelatin.
DRY VITAMIN E ACETATE 50% DC BASF Human Nutrition DRY VITAMIN E ACETATE 50% DC is dry Vitamin E in powder form with gelatin.
DRY VITAMIN E ACETATE 50% DC/GFP BASF Human Nutrition DRY VITAMIN E ACETATE 50% DC/GFP is dry Vitamin E in white to cream powder form with modified starch.
DRY VITAMIN K1 1% GFP BASF Human Nutrition Dry Vitamin K in powder form with acacia gum. Vitamin K is vital for the development of bones and teeth. Furthermore, it plays a crucial role in blood clotting as it activates blood clotting factors II (prothrombin), VII, IX and X as well as the coagulat...展开 Dry Vitamin K in powder form with acacia gum. Vitamin K is vital for the development of bones and teeth. Furthermore, it plays a crucial role in blood clotting as it activates blood clotting factors II (prothrombin), VII, IX and X as well as the coagulation-inhibiting factors. 收起
DRY VITAMIN K1 5% GFP BASF Human Nutrition Dry Vitamin K in powder form with acacia gum. Vitamin K is vital for the development of bones and teeth. Furthermore, it plays a crucial role in blood clotting as it activates blood clotting factors II (prothrombin), VII, IX and X as well as the coagulat...展开 Dry Vitamin K in powder form with acacia gum. Vitamin K is vital for the development of bones and teeth. Furthermore, it plays a crucial role in blood clotting as it activates blood clotting factors II (prothrombin), VII, IX and X as well as the coagulation-inhibiting factors. 收起
Fisetin CellMark Ingredients Fisetin (Cotinus coggygria, Rhus succedanea) is available in purity up to 98%. It is supplied as a brown to yellow powder. Request Sample
Folic Acid & Triturations CellMark Ingredients Folic Acid (Vitamin B9) is available as Folic Acid USP form or triturated with your desired carrier to Folic Acid 5%, Folic Acid 10%, or according to specification. Typical carriers for triturations are DCP, MCC, Maltodextrin, or Mannitol. Request Sample
GABA CellMark Ingredients GABA (4-Aminobutanoic acid, Gamma-Aminoburtyric Acid, Natural GABA by fermentation, Synthetic GABA) is a naturally occurring amino acid that can be used as an inhibitory neurotransmitter. Request Sample
Germanium CellMark Ingredients Germanium sesquioxide is supplied as a white crystalline powder. It can be used to improve the immune system and oxygen supply and to destroy free radicals. Request Sample
Glucosamine Sulfate CellMark Ingredients Glucosamine Sulfate is also available as Glucosamine Hydrochloride. It can be used to improve joint health. Request Sample
Glycine CellMark Ingredients Glycine is an amino acid that can promote collagen synthesis. It also has antioxidant benefits and may be used for liver, heart, and muscle health. Request Sample
Hydroxocobalamin Acetate CellMark Ingredients Hydroxocobalamin Acetate is also available as Hydroxocobalamin Base and Hydroxocobalamin Hydrochloride (HCl). It can be used to treat Vitamin B12 deficiency. Request Sample
Inositol CellMark Ingredients Inositol (Myo-Inositol) is also available in granular form. Typical binders HPC or PVP. Sometimes referred to as Vitamin B8, Inositol supports fat metabolism, nerve functioning, and female health. Request Sample
Inositol Hexanicotinate CellMark Ingredients Inositol Hexanicotinate is also available in granular form. Typical binders HPC or PVP. Request Sample
L-Alanine CellMark Ingredients L-Alanine is an amino acid used in protein synthesis. It may help increase immunity and promote brain and muscle health. Request Sample
L-Arginine Alphaketoglutarate CellMark Ingredients L-Arginine Alphaketoglutarate (L-Arginine AKG) is supplied as a white to yellowish crystalline powder. It may be used to improve heart health. Request Sample
L-Arginine HCl CellMark Ingredients L-Arginine HCl is also available as L-Arginine Base and in an Essential Amino Acid Blend (EAA) or granular form. Typical binders HPC or PVP. Request Sample
L-Carnitine Base CellMark Ingredients L-Carnitine Base is also available as L-Carnitine HCl. L-Carnitine may be used for kidney health supplements. Request Sample
L-Cysteine HCl CellMark Ingredients L-Cysteine HCl (L-Cysteine HCl anhydrous) is also available in granular form. Typical binders include HPC or PVP. Request Sample
L-Cystine CellMark Ingredients L-Cystine is supplied as white crystals or as a crystalline powder. It is practically insoluble in water, in ethanol and in ether, dissolves in dilute hydrochloric acid. Request Sample
L-DMAE Bitartrate CellMark Ingredients L-DMAE Bitartrate may reduce wrinkles and firm skin. It might also be used to enhance physical performance and support memory. Request Sample
L-Glutamine CellMark Ingredients L-Glutamine is an amino acid. It can be used to improve intestinal health. Request Sample
L-Glutathione CellMark Ingredients L-Glutathione is supplied as a white or almost white crystalline powder. It can be used as an antioxidant. Request Sample
L-Isoleucine CellMark Ingredients L-Isoleucine is also available in a Branch Chain Amino Acid Blend (BCAA), Essential Amino Acid Blend (EAA) or granular form. Typical binders include HPC or PVP. Request Sample
L-Leucine CellMark Ingredients L-Leucine is also available as D-Leucine. It is available instantized, vegan, and in a Branch Chain Amino Acid Blend (BCAA), Essential Amino Acid Blend (EAA) or granular form. Typical binders are HPC or PVP. Request Sample
L-Lysine HCl CellMark Ingredients L-Lysine HCl is also available in an Essential Amino Acid Blend (EAA) or granular form. Request Sample
L-Methionine CellMark Ingredients L-Methionine is also available in an Essential Amino Acid Blend (EAA) or granular form. Typical binders HPC or PVP. Request Sample
L-Ornithine CellMark Ingredients L-Ornithine is an amino acid derivative. It may help boost athletic performance and improve skin health. Request Sample
L-Proline CellMark Ingredients L-Proline is a non-essential amino acid. It can help to improve skin and cardiovascular health. Request Sample
L-Selenomethionine CellMark Ingredients L-Selenomethionine (Selenium) is available as L-Selenomethionine USP form or triturated with your desired carrier to L-Selenomethionine 1.25% or according to specification. Typical carrier for triturations is DCP. Request Sample
L-Serine CellMark Ingredients L-Serine is an alpha amino acid used in the synthesis of proteins. It may have anti-inflammatory benefits and may be beneficial for brain health. Request Sample
L-Theanine CellMark Ingredients L-Theanine is also known as Natural L-Theanine from Green Tea, Synthetic L-Theanine. It may be able to help improve mental focus and sleep quality. Request Sample
L-Tyrosine CellMark Ingredients L-Tyrosine (Vegan L-Tyrosine) is a colorless, white crystalline powder. It is slightly soluble in water, soluble in dilute inorganic acid and in alkaline solution. It is very slightly soluble in alcohol. This product is made from a fermentation process an...展开 L-Tyrosine (Vegan L-Tyrosine) is a colorless, white crystalline powder. It is slightly soluble in water, soluble in dilute inorganic acid and in alkaline solution. It is very slightly soluble in alcohol. This product is made from a fermentation process and is vegan certified. It is suitable for human consumption and can be used in pharmaceutrical products, nutritional supplements, and as food ingredients. 收起 Request Sample
L-Valine CellMark Ingredients L-Valine is also available in Branch Chain Amino Acid Blend (BCAA), Essential Amino Acid Blend (EAA) or granular form. Typical binders include HPC or PVP. Request Sample
LUCAROTIN® 1 CWD/Y BASF Human Nutrition Lucarotin in powder form with starch.
LUCAROTIN® 10 CWD F/O BASF Human Nutrition Lucarotin in powder form with fish gelatin.
LUCAROTIN® 10 CWD F/R BASF Human Nutrition Lucarotin in powder form with fish gelatin.
LUCAROTIN® 10 CWD S/Y BASF Human Nutrition Lucarotin in powder form with soy protein.
LUCAROTIN® 10 CWD/O BASF Human Nutrition Lucarotin in powder form with starch.
LUCAROTIN® 30 M BASF Human Nutrition Lucarotin in dispersion form in maize/corn oil.
Lucarotin® 30 SUN BASF Human Nutrition Lucarotin in dispersion form in sunflower oil.
LUCAROTIN® EMULSION 10 BASF Human Nutrition Lucarotin in emulsion form with glycerol.
Magnafolate® L-5-methyltetrahydrofolate Calcium CellMark Ingredients Magnafolate® (Folate, Methylfolate, Levomefolic acid, L-5-methyltetrahydrofolate, L-5-MTHF) is a patented C-Crystal form of L-5-Methyltetrahydrofolate Calcium Salt. Key advantages over current Folate include the following: better stability (2+years at roo...展开 Magnafolate® (Folate, Methylfolate, Levomefolic acid, L-5-methyltetrahydrofolate, L-5-MTHF) is a patented C-Crystal form of L-5-Methyltetrahydrofolate Calcium Salt. Key advantages over current Folate include the following: better stability (2+years at room temperature), better particle size distribution, better dissolution, higher potency, and better bioavailability. Replacement for Folic acid, L-5-Methyltetrahydrofolate Glucosamine Salt and L-5-Methyltetrahydrofolate Calcium Salt I-Crystal form. 收起 Request Sample
Melatonin CellMark Ingredients Melatonin (N-Acetyl-5-methoxytryptamin) is an off-white powder. It is a powerful antioxidant and can also be used as a sleep aid. Request Sample
Methylcobalamin & Triturations CellMark Ingredients Methylcobalamin (Vitamin B12) is available as Methylcobalamin USP form or triturated with your desired carrier to Methylcobalamin 0.5%, Methylcobalamin 1%, Methylcobalamin 10%, or according to specification. Typical carriers for triturations include DCP,...展开 Methylcobalamin (Vitamin B12) is available as Methylcobalamin USP form or triturated with your desired carrier to Methylcobalamin 0.5%, Methylcobalamin 1%, Methylcobalamin 10%, or according to specification. Typical carriers for triturations include DCP, MCC, Maltodextrin, Sorbitol, or Mannitol. 收起 Request Sample
N-Acetyl-D-Glucosamine CellMark Ingredients N-Acetyl-D-Glucosamine is supplied as an off-white powder. It can be used to improve joint health. Request Sample
N-Acetyl-L-Carnitine CellMark Ingredients N-Acetyl-L-Carnitine is a white crystalline powder. Carnitine may be used for kidney health supplements. Request Sample
N-Acetyl-L-Cysteine CellMark Ingredients N-Acetyl-L-Cysteine is supplied as white crystals or as a crystalline powder. It is freely soluble in water and soluble in ethanol. Request Sample
N-Acetyl-L-Tyrosine CellMark Ingredients N-Acetyl-L-Tyrosine is supplied as white crystals or crystalline powder with a strongly acid taste. It is freely soluble in water. Request Sample
Niacinamide Ascorbate CellMark Ingredients Niacinamide Ascorbate (Vitamin C, Vitamin B3) can be used to improve skin texture and reduce inflammation. Request Sample
Nicotinamide Adenine Dinucleotide CellMark Ingredients Nicotinamide Adenine Dinucleotide (NAD, NAD+) is a white powder. It is used to improve mental clarity and memory, and may also have applications in athletic endurance supplements. Request Sample
Nicotinamide Adenine Dinucleotide Reduced CellMark Ingredients Nicotinamide Adenine Dinucleotide Reduced (NADH) is a white to slightly yellow powder. NADH is used to improve mental clarity and memory, and may also have applications in athletic endurance supplements. Request Sample
Nicotinamide Mononucleotide (NMN) CellMark Ingredients Nicotinamide Mononucleotide (Beta/β-Nicotinamide mononucleotide, NMN) is a novel form of Vitamin B3 that is a 1 step precursor to NAD+ (Nicotinamide Adenine Dinucleotide). NMN has been shown to boost NAD+, which is involved in hundreds of metabolic proces...展开 Nicotinamide Mononucleotide (Beta/β-Nicotinamide mononucleotide, NMN) is a novel form of Vitamin B3 that is a 1 step precursor to NAD+ (Nicotinamide Adenine Dinucleotide). NMN has been shown to boost NAD+, which is involved in hundreds of metabolic processes. NAD+ is key to the creation of energy and regulation of sirtuins (the longevity genes). NAD+ decreases with age, as NAD+ drops it reduces the cell’s ability to make energy and regulate sirtunis, causing signs of aging and become apparent. 收起 Request Sample
Oily Vitamin Blend 02-185 BASF Human Nutrition Vitamin A in oil form with Vit. A Palmitate, Vit. D3, sunflower oil, Toc. stabilized. Vitamin A provides protection for the entire ectoderm and benefits growth and functionality of the skin as well as the mucous membranes.
PABA CellMark Ingredients PABA (P-aminobenzoic acid, 4-aminobenzoic acid) is supplied as a white or light yellow crystal or crystalline powder. It may be used to improve skin and hair health. Request Sample
Passienol™ Passion Fruit Seed Extract CellMark Ingredients Passienol™ (Passiflora edulis, Piceatannol) is a patented, clinically backed, extract from passion fruit seeds standardized to 3.5% Piceatannol. Clinical results on Passienol™ include heart health and beauty from within. The active, Piceatannol, is a stil...展开 Passienol™ (Passiflora edulis, Piceatannol) is a patented, clinically backed, extract from passion fruit seeds standardized to 3.5% Piceatannol. Clinical results on Passienol™ include heart health and beauty from within. The active, Piceatannol, is a stilbenoid phenolic compound similar to resveratrol, pterostilbene which have gained attention for anti-aging benefits. Piceatannol research indicates that it promotes stem cell differentiation and ensures the integrity of proteins in cells. 收起 Request Sample
Pyridoxal-5-Phosphate CellMark Ingredients Pyridoxal-5-Phosphate (P5P) is a slightly yellow or off-white crystalline powder. It may improve muscle growth and repair as well as regulate sleep and mood. Request Sample
Pyridoxine HCl CellMark Ingredients Pyridoxine HCl (Vitamin B6) is also available in granular form. Typical binders include HPC or PVP. Request Sample
Pyridoxine Hydrochloride BASF Human Nutrition Pyridoxine Hydrochloride Vitamin B in powder form.
Quercetin Dihydrate CellMark Ingredients Quercetin Dihydrate (Sophorae japonica, Dimorphandra mollis L, Styphnolobium japonica L) is also available as Quercetin Anhydrous 117-39-5 or in granular form. Typical binders include HPC or PVP. Request Sample
R-Alpha Lipoic Acid, Sodium CellMark Ingredients R-Alpha Lipoic Acid, Sodium (RALA, R-Lipoic Acid, Alpha Lipoic Acid) is available in microencapsulated form. It is a naturally occurring compound that functions as an antioxidant. Request Sample
Resveratrol CellMark Ingredients Resveratrol is an off-white powder available in purity up to 99%. Request Sample
Riboflavin Fine Powder BASF Human Nutrition Riboflavin Fine Powder Vitamin B in powder form.
Ribonucleic Acid CellMark Ingredients Ribonucleic Acid (RNA) is a brownish/yellowish powder. RNA can be used to help improve memory and mental sharpness. Request Sample
Rutin CellMark Ingredients Rutin is Sophorae japonica, and is also available in granular form. Typical binders include HPC or PVP. Request Sample
Taurine CellMark Ingredients Taurine is an odorless, white crystalline powder available with or without anti-caking aid. Request Sample
Thiamine Hydrochloride BASF Human Nutrition Thiamine Hydrochloride Vitamin B in powder form.
Thiamine Mononitrate BASF Human Nutrition Thiamine Mononitrate Vitamin B in powder form.
Vitamin A Acetate CellMark Ingredients Vitamin A Acetate (Retinyl Acetate) is available as Vitamin A Acetate 500,000 iu/g, Vitamin A Acetate 325,000 iu/g, Vitamin A Acetate 250,000 iu/g, or according to specification. Typical carrier is Maltodextrin. Request Sample