Vitamin B12 is used in the treatment of vitamin B12 deficiency.

Vitamin B12 is a nutrient which the body requires in small amounts to make red blood cells, generate energy, and keep nerve cells healthy.

• Symptoms of Vitamin B12 Deficiency
• Weakness, tiredness, or lightheadedness
• Anemia
• Heart palpitations and shortness of breath
• Pale skin
• A smooth tongue
• Constipation, diarrhea, loss of appetite, or gas 
• Nerve problems like numbness or tingling, muscle weakness, and problems walking
• Vision loss
• Mental problems like depression, memory loss, or behavioral changes 

• Most people can prevent vitamin B12 deficiency by eating enough meat, poultry, seafood, dairy products, and eggs.
• If you don't eat animal products, or you have a medical condition that limits how well your body absorbs nutrients, you can take vitamin B12 in a multivitamin or other supplement and foods fortified with vitamin B12.

Biotin is a B complex vitamin used as a nutritional supplementation for dietary shortage or imbalance which may cause hair loss or total alopecia, brittle nails, skin rash in infants, and mild depression.

Biotin is a form of vitamin B that provides essential nutrients.

Major & minor side effects for Biotin

• Hypersensitivity
• Stomach discomfort and pain
• Skin rash

This medicine is considered safe for consumption by pregnant and breastfeeding women.

Use of this medicine in children should be done only under your doctor's supervision.

The effect of therapy with Biotin may occur 3 to 6 months after starting the therapy.

Dialysis patients may require a higher dose due to drug removal during dialysis.

• Folic acid is the synthetic form of folate, which is a naturally occurring B vitamin. Folate helps make DNA and other genetic material. It is especially important in prenatal health.
• Folate, also called vitamin B-9, is a B vitamin that naturally occurs in certain foods. Folic acid is the form of folate that manufacturers add to vitamin supplements and fortified foods.

• It helps the body make healthy new red blood cells.
• In its deficiency a person can develop anemia, leading to fatigue, weakness, and a pale complexion.
• It leads to folate deficiency anemia.
• Folate is also important for the synthesis and repair of DNA and other genetic material.
• It is particularly important to get during pregnancy. Folate deficiency during pregnancy can lead to neural tube irregularities, such as spina bifida and anencephaly.
• Folic acid is crucial for early fetal development.
• Neural tube irregularities - Taking folic acid supplements before and during pregnancy will help prevent neural tube irregularities in the fetus.
• It may also reduce the risks of preterm birth, heart irregularities, and cleft palate, among other things.
• Depression - Taking folic acid supplements could make depression medications more effective.
• The Office on Women’s Health recommend that women who are or might become pregnant take 400–800 mcg of folic acid per day, and that people with spina bifida or a family history of neural tube irregularities take 4,000 mcg per day. Those who are breastfeeding should aim to take around 500 mcg per day.
• The body absorbs folic acid from supplements and fortified foods better than the folate from naturally occurring foods.

Skin reactions, seizures, gases problem, diarrhea, irritability, confusion, stomach upset, loss of appetite, and hypersensitivity

It is important to note that folic acid can interact with certain medications.

A person should speak to a doctor before taking folic acid if they have any of the following:

• Epilepsy
• Type 2 diabetes
• Rheumatoid arthritis
• Lupus
• Inflammatory bowel disease (ibd)
• Celiac disease

People undergoing kidney dialysis may also wish to avoid taking folic acid.

Vitamin B6 is a water-soluble vitamin. Water-soluble vitamins dissolve in water so the body cannot store them.Vitamin B6 is a group of related compounds. It is necessary for maintaining important functions in the body such as glucose and amino acid metabolism, production of RBCs, proper functioning of the nervous system, etc

• Vitamin B6 is used to treat or prevent vitamin B6 deficiency.
• It is also used to treat a certain type of anemia (lack of red blood cells).
• This medicine injection is also used to treat some types of seizure in babies.
• Vitamin B6 (Pyridoxine) provides essential nutrients.
• Vitamin B6 helps the body to:
• Make antibodies. Antibodies are needed to fight many diseases.
• Maintain normal nerve function.
• Make hemoglobin. Hemoglobin carries oxygen in the red blood cells to the tissues. A vitamin B6 deficiency can cause a form of anemia.
• Break down proteins. The more protein you eat, the more vitamin B6 you need.
• Keep blood sugar (glucose) in normal ranges.
• Vitamin B6 is being studied in the prevention of hand-foot syndrome

• Clumsiness
• Numbness of hands or feet
• Unsteady walk
• Sleepiness

• Follow your doctor's instructions about any restrictions on food, beverages, or activity.
• Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
• This medicine is not recommended for use in breastfeeding women unless necessary.

Vitamin B5, also called pantothenic acid, is one of the most important vitamins for human life. It's necessary for making blood cells, and it helps you convert the food you eat into energy. Vitamin B5 is one of eight B vitamins. All B vitamins help you convert the protein, carbohydrates, and fats you eat into energy.
B vitamins are also needed for:

•  healthy skin, hair, and eyes
•  proper functioning of the nervous system and liver
•  healthy digestive tract
•  making red blood cells, which carry oxygen throughout the body
•  making sex and stress-related hormones in the adrenal glands

Vitamin B5 is commercially available as D-pantothenic acid, as well as dexpanthenol and calcium pantothenate, which are chemicals made in the lab from D-pantothenic acid.

• People take pantothenic acid for treating dietary deficiencies, acne, alcoholism, allergies, baldness, asthma, attention deficit-hyperactivity disorder (ADHD), autism, burning feet syndrome, yeast infections, heart failure, carpal tunnel syndrome, respiratory disorders, celiac disease, colitis, conjunctivitis, convulsions, and cystitis.
• It is also taken by mouth for dandruff, depression, diabetic nerve pain, enhancing immune function, improving athletic performance, tongue infections, gray hair, headache, hyperactivity, low blood sugar, trouble sleeping (insomnia), irritability, low blood pressure, multiple sclerosis, muscular dystrophy, muscular cramps in the legs associated with pregnancy or alcoholism, neuralgia, and obesity.
• Pantothenic acid is also used orally for osteoarthritis, rheumatoid arthritis, Parkinson's disease, nerve pain, premenstrual syndrome (PMS), enlarged prostate, protection against mental and physical stress and anxiety, reducing adverse effects of thyroid therapy in congenital hypothyroidism, reducing signs of aging, reducing susceptibility to colds and other infections, retarded growth, shingles, skin disorders, stimulating adrenal glands, chronic fatigue syndrome, salicylate toxicity, streptomycin neurotoxicity, dizziness, and wound healing. People apply dexpanthenol, which is made from pantothenic acid, to the skin for itching, promoting healing of mild eczemas and other skin conditions, insect stings, bites, poison ivy, diaper rash, and acne. It is also applied topically for preventing and treating skin reactions to radiation therapy.

•  Muscle pain
•  Joint pain
•  Diabetes mellitus, new onset
•  Sore throat
•  Headache
•  Weakness/lack of energy
•  Dizziness
•  Creatine phosphokinase (CPK) increased
•  Nausea
•  Abdominal pain
•  Alanine transaminase (ALT) increased
•  Constipation
•  Flulike illness
•  Urinary tract infection
•  Hypersensitivity reactions (including rash, itching, hives, and swelling)
•  Pancreatitis
•  Yellowing skin and eyes (jaundice)
•  Muscle disease
•  Muscle wasting (rhabdomyolysis)
•  Postmarketing side effects of pantothenic_acid reported include:
•  Diarrhea
•  Contact dermatitis 

• Pregnancy and breast-feeding: Pantothenic acid is LIKELY SAFE when taken by mouth in recommended amounts of 6 mg per day during pregnancy and 7 mg per day during breast-feeding. However, it is not known if taking more than this amount is safe. Avoid using larger amounts of pantothenic acid.
•  Children: Dexpanthenol, a derivative of pantothenic acid, is POSSIBLY SAFE for children when applied to the skin.
•  Hemophila: Do not take dexpanthenol, a derivative of pantothenic acid, if you have hemophila. It might increase the risk of bleeding.
•  Stomach blockage: Do not receive injections of dexpanthenol, a derivative of pantothenic acid, if you have a gastrointestinal blockage.
•  Ulcerative colitis: Use enemas containing dexpanthenol, a derivative of pantothenic acid, cautiously if you have ulcerative colitis.

• Vitamin E is essential to the normal functioning of the human body. It plays a central role in your immune system and functions as an antioxidant, neutralizing free radicals that damage cells at the genetic level.
• Vitamin E is fat-soluble, meaning that it is dissolved in fat and able to be stored in the liver and fatty tissues of the body.
   

• Vitamin E acts as an antioxidant (i.e., an inhibitor of oxidation processes) in body tissues. It protects unsaturated fats in the body from oxidation by peroxides and other free radicals.  It also acts as an protection of polyunsaturated fatty acids, cell membranes.
• The vitamin is used commercially as an antioxidant to retard the rancidification of fats, especially vegetable oils.
• Vitamin E aids in the transmission of electrical signals between nerve cells (neurons) of the brain and body.
• Vitamin E is integral to eye health, aiding in the self-repair of the retina, cornea, and uvea (the pigmented portion of the eye).
• Vitamin E can aid in scar healing by hydrating the skin, inhibiting collagen production, and reducing inflammation that can lead to tissue damage.
   

Vitamin E supplements rarely cause any harm if taken at the recommended daily dose.
But sometimes lower doses can trigger side effects like

•  nausea,
•  vomiting,
•  stomach pain,
•  diarrhea.
•  Slow down blood clotting

• Vitamin E deficiency is considered rare in the developed world, except in premature babies with low birth weight or in people with rare genetic disorders such as abetalipoproteinemia or ataxia with vitamin E deficiency.
• VitaminE can neither treat nor prevent liver disease but may help slow its progression.
• VitaminE can slow blood clotting and may need to be avoided in people taking blood thinners like Coumadin (warfarin) or Plavix (clopidogrel).
• VitaminE supplements should also be avoided in people with a history of heart attacks, stroke, bleeding disorders, or head and neck cancers.
• VitaminE supplements are presumed to be safe during pregnancy and breastfeeding.

Vitamin C consists of a water-soluble vitamin known as vitamin C. Vitamin C is also known as L-ascorbic acid or ascorbate.  It occurs as a white or slightly yellow crystal or powder with a slightly acidic taste. On exposure to light, it gradually darkens. In the dry state, it is reasonably stable in air, but in solution, it rapidly oxidizes.

• Vitamin C helps in the growth and repair of tissues of bones, cartilage, tendons, skin, hair, muscles and many more.
• Along with that, it helps in wound healing and also enhances the absorption of iron in our body.
• Excess of free radicals can speed up the ageing process, vitamin C due to its rich antioxidant properties help to reduce the harmful effects of these free radicals. Vitamin C is very crucial for bone and teeth health.
• It improves vision and also regulates blood cholesterol levels.
• Owing to its numerous benefits, it is very important to take an adequate amount of vitamin C in your diet.

Possibly Effective for

• An eye disease that leads to vision loss in older adults (age-related macular degeneration or AMD).
• Irregular heartbeat (atrial fibrillation). Taking vitamin C before and for a few days after heart surgery helps prevent irregular heartbeat after heart surgery.
• Emptying the colon before a colonoscopy.
• Limb pain that usually occurs after an injury (complex regional pain syndrome). 
• Skin redness caused by injury or irritation (erythema). Using a skin cream containing vitamin C might decrease skin redness following laser resurfacing for scar and wrinkle removal.
• Airway infections caused by exercise. Using vitamin C before heavy physical exercise, such as a marathon, might prevent upper airway infections that can occur after heavy exercise.
• Swelling (inflammation) of the stomach (gastritis). Some medicine used to treat H. pylori infection can worsen stomach inflammation. Taking vitamin C along with one of these medicines called omeprazole might decrease this side effect.
• A condition in which red blood cells are broken down faster than they are made (hemolytic anemia). Taking vitamin C supplements might help manage anemia in people undergoing dialysis.
• High cholesterol. Taking vitamin C might reduce low-density lipoprotein cholesterol in people with high cholesterol.
• Lead poisoning. Consuming vitamin C in the diet seems to lower blood levels of lead.
• Osteoarthritis. Taking vitamin C from dietary sources or from calcium ascorbate supplements seems to prevent cartilage loss and worsening of symptoms in people with osteoarthritis.
• Pain after surgery. Taking 2 grams of vitamin C by mouth one hour before surgery might reduce pain and the need for opioid pain relievers after surgery. 
• Wrinkled skin. Skin creams containing vitamin C seem to improve the appearance of wrinkled skin. A vitamin C patch also seems to help reduce wrinkles.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using Vitamin C and call your doctor at once if you have:

• Joint pain, weakness or tired feeling, weight loss, stomach pain;
• Chills, fever, increased urge to urinate, painful or difficult urination; or
• Severe pain in your side or lower back, blood in your urine.

Common side effects may include:

• Heartburn, upset stomach; or

• Nausea, diarrhoea, stomach cramps.

• Transient mild soreness may occur at the site of intramuscular or subcutaneous injection.
• Too-rapid intravenous administration of the solution may cause temporary faintness or dizziness.
• Although vitamin C is generally considered safe, high doses can cause adverse effects, including heartburn, nausea, headaches, stomach cramps, and diarrhoea.
• Vitamin C is not stored in the body. If you take more than you need, the extra vitamin C will pass into your urine.
• Very large doses may also interfere with tests for sugar in diabetics and with tests for blood in the stool.