A List of Common Excipients for Tablet Formulation

Excipients are typically the major components of a solid dosage form and are included for a number of reasons such as to aid the manufacturing process and stability or to add functionality to the formulation.

Diluents

• Calcium phosphate Dihydrate
• Microcrystalline Cellulose
• Lactose
• Mannitol
• Starch

Binders and Adhesives

• Povidone (PVP)
• Starch
• Cellulose Derivatives (HPMC, HPC etc.)

Disintegrants

• Crospovidone (Cross-linked PVP)
• Croscarmellose Sodium
• Starch

Lubricants

• PEGs
• Stearic acid
• Stearic acid salts
• Stearic acid derivatives
• Surfactants
• Talc
• Waxes

Glidants

• Cornstarch
• Silica derivatives
• Talc

Coating Agent

• PVA
• HPMC
• Talc
• PEG

Colors, flavors, and sweeteners

• FD&C and D&C dyes and lakes
• Ready to mix coating materials containing color and flavor
• Flavors available in two forms (spray dried, oil)
• Artificial sweeteners
• Natural sweeteners

Read also:

• Classification of Pharmaceutical Excipients
• Different Routes of Drug Administration