Overview
Vitamins are micronutrients critical for maintaining health, growth, and metabolic processes. They are categorized into water-soluble (e.g., B-complex, C) and fat-soluble (e.g., A, D, E, K) vitamins, each with distinct absorption and storage mechanisms. While the body cannot synthesize most vitamins (except Vitamin D), they must be obtained through diet or supplements. Deficiencies can lead to diseases like scurvy (Vitamin C) or rickets (Vitamin D), while excess intake may cause toxicity, particularly with fat-soluble vitamins. Industrially, vitamins are produced via chemical synthesis, fermentation, or extraction, and are widely used in food, pharmaceuticals, and animal feed.
Physical and Chemical Properties
Vitamins exhibit diverse physical and chemical properties. Water-soluble vitamins (e.g., B1, B12, C) are polar, often crystalline, and degrade under heat or light. Fat-soluble vitamins (e.g., A, D) are non-polar, stable in oils, and prone to oxidation. For instance, Vitamin C (ascorbic acid) is a white solid with a sour taste, highly soluble in water, and acts as a reducing agent. In contrast, Vitamin E (tocopherol) is a viscous oil, insoluble in water but stable in fats. Stability varies: Vitamin B12 is sensitive to pH changes, while Vitamin K is light-sensitive. These properties dictate their formulation and storage requirements.
Main Applications
Vitamins are primarily used in dietary supplements and fortified foods (e.g., cereals, dairy) to address deficiencies. In pharmaceuticals, they treat specific conditions (e.g., Vitamin D for bone health) or support recovery. The cosmetics industry utilizes vitamins like E and C for antioxidant and skin-repair properties. Animal nutrition is another major sector, with vitamins added to feed to enhance livestock growth and immunity. Industrial applications include Vitamin C as a preservative in food and Vitamin K in coagulation therapies. The global market is driven by rising health awareness and regulatory mandates for food fortification.
Safety and Storage
Proper storage is crucial to maintain vitamin efficacy. Water-soluble vitamins should be kept in airtight containers away from moisture, while fat-soluble vitamins require protection from light and oxygen. Refrigeration may be needed for labile forms like Vitamin B12. Safety precautions include adhering to recommended daily allowances (RDAs) to avoid hypervitaminosis, especially for fat-soluble vitamins that accumulate in tissues. Overdosing on Vitamin A, for example, can cause liver damage. Manufacturers must comply with Good Manufacturing Practices (GMP) to ensure purity and avoid contaminants like heavy metals.
B2B Procurement Guide
B2B buyers should prioritize suppliers with certifications (e.g., ISO, GMP) to guarantee quality. Key considerations include bioavailability (e.g., methylcobalamin vs. cyanocobalamin for B12), stability (coated vs. pure forms), and compliance with regional regulations (e.g., FDA, EFSA). Bulk pricing varies by volume and purity; synthetic vitamins are typically cheaper than natural extracts. Partner with suppliers offering technical support for formulation challenges, such as masking bitter tastes in supplements. Long-term contracts can secure supply chains amid raw material fluctuations, especially for vitamins sourced from limited regions (e.g., Vitamin B12 from microbial fermentation).
Related Manufacturers
- 主营：阻燃剂、拉那白、牛儿酮、羟基维生素D3、海藻糖、热敏蓝、萘磺酸、氯菊酯、硫酸锌、催化剂、杨梅酯、檀香醚、聚醚胺、吸收剂、脂檀油、苍术素、羟钴胺、转移剂、溶剂绿、麝香酮、王浆酸、芬多精、纤维素、新戊酯、王冠醚、遮甜粉
- 主营：阿斯巴甜、低聚果糖、低聚木糖、维生素K3厂家、甘露寡糖、结晶果糖、菊粉、纽甜、乳糖、乳糖醇、三氯蔗糖、水苏糖、甜菊糖、刺槐豆胶、瓜尔豆胶、果胶、海藻酸丙二醇酯、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、阿拉伯胶
- 主营：乙醇酸、二甲基、肥料工业、乙酰丙酮、分析试剂、对苯二胺、十二羟基、化工国标、精己二酸、二异丁腈、次亚磷酸、氯化亚锰、无水草酸钠、无水醋酸钠、饲料添加剂、无水氯化锰、杀菌灭藻剂、三乙基氯化铵、二甲氨基乙酯
- 主营：硫酸铜、除磷剂、溶剂油、维生素、二甲苯、双戊烯、胶黏剂、葡萄糖、正丙醇、丙三醇、环己胺、四甲苯、锂电池、无水糖、压敏胶、乙二胺、二甘醇、丁二醇、络合剂、去味剂、乙二醇、显示屏、三乙胺、纤维素、粘合剂
- 主营：阿洛酮糖、阿斯巴甜、安赛蜜、维生素A、维生素B1、维生素b1、低聚木糖、甘露寡糖、麦芽糖醇、木糖醇、纽甜、乳糖、三氯蔗糖、水苏糖、甜菊糖、罗汉果甜苷、β-环状糊精、阿拉伯胶、刺槐豆胶、大豆蛋白粉、大豆分离蛋白、瓜尔豆胶、黄原胶、结冷胶、果胶
- 主营：四乙酰核糖、双乙酰阿昔洛韦、三乙酰更昔洛韦、N4-乙酰胞嘧啶、胞苷、腺嘌呤、吡唑胺、对羟基苯乙酮、半胱胺盐酸盐、钼酸钠、碳酸锆
- 主营：冰乙酸、柠檬酸、添加剂、食品级维生素A、消泡王、化妆品、增稠剂、l-精氨酸、山梨酸钾、坏血酸钠、半胱氨酸、绿茶香精、牛肉香精、复配防腐、甘露糖醇、冬氨酸钙、马氨基丁酸、丙氨酸食品、烘焙奶制品、烤红薯香精、营养增补剂、酪蛋白酸钠、水果保鲜剂、味剂紫薯粉、食品防腐剂、复配腌渍蔬菜
- 主营：甜味剂、面筋粉、增劲剂、维生素c、保鲜剂、木糖醇、烤面筋、增稠剂、稳定剂、魔芋豆腐、低聚木糖、瓜尔豆胶、多糖烘焙、面制品增、食用明胶、亚麻籽胶、可得然胶、低脂果胶、改良香精、海藻酸钾、饮料乳品、活性肽粉、结晶果糖、固体饮料、海藻酸钙
- 主营：氯化钙、果冻粉、淀粉酶、维生素a、维生素e粉、碳酸钙、魔芋粉、麦芽糖醇、纤维素酶、山梨糖醇、左旋肉碱、低聚果糖、全脂奶粉、螺旋藻粉、氯化胆碱、植物炭黑、氢氧化钙、硫酸亚铁、乳酸亚铁、中性蛋白酶、磷酸二氢钠、磷酸二氢钾、低聚半乳糖、磷酸二氢钙、聚丙烯酸钠
- 主营：溴代吡咯腈
- 主营：调味料、防腐剂、乳化剂、维生素、维生素C、提取物、小分子肽、矿物质、食用香精、微量元素、改良剂、增稠剂、甜味剂、抗结剂、酸度调节剂、抗氧化剂、黄原胶、食用明胶、麦芽糖、麦芽糖醇、冰醋酸
- 主营：呈味核苷酸二钠、黄原胶
- 主营：增稠剂、氨基酸系列、食品级甜味剂、维生素系列、酸味调节剂、保水剂、乳化剂、食用香精、色素
- 主营：果糖硼酸钙、半乳糖醇、肉桂酸钾、乳酸链球菌素、D-半乳糖、肉桂酸、D-阿洛酮糖、D-甘露糖醇、对羟基肉桂酸、氢化肉桂酸、茶多酚棕榈酸酯、定优胶、L-精氨酸、没食子酸、无水没食子酸、漆酶、苦精、苯甲地那铵
- 主营：甜菊糖、甘氨酸、胡萝卜、麦香宝、海藻糖、桑椹红、辣椒精、南瓜粉、五香粉、增脆剂、他拉胶、白色素、酪蛋白、莓香精、烟酰胺、牛磺酸、褪黑素、磷酸铁、螺旋藻、调节剂、温轮胶、胞苷酸、菊糖酶、卡拉胶、风味酶