The Scooter Cat
Scooter's Supplies for Chronic Renal Failure (CRF)

About Gel Caps


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Gelatin capsules are a convenient way of giving cats pills, liquids and powdered medications. Gel caps allow you to:
  • combine multiple medications in one easy dose, e.g., 1/4 tablet of Pepcid AC and .15 mL of fortified vitamin b complex.
  • hide the taste of "foul" tasting medications.
  • assure that the medication gets down.  Cats are clever at "fake-swallowing" small pills and spitting them out later.  A gel cap, however, is swallowed almost automatically if you get it on the back of the cat's tongue.
  • gelatin caps dissolve rapidly (5-10 minutes) and completely in the stomach.
Gelatin caps consist of beef gelatin, glycerite and water.  Most cats prefer the beef gelatin caps to "vegetable caps."  Only gel cap vendors are listed below but many of these same vendors also carry "vegetable caps."  Gel caps may be available locally at drug and health food stores.

Ask you vet about administering gel caps and pills to cats.  Many put a litttle butter on the cap to help it slide down.  Some squirt some water in their cat's mouths after to help the capsule/pill on its way.  Some give the cat food immediately after.  And some do nothing.  There are recent studies that suggest that 5-6 mL of water or a small amount of food administered immediately after a gel cap or pill will speed the transit of the gel cap/pill to the stomach.  See:

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Internet Vendors

  • Gel CapsVitaglo.comsells Now Vitamins gel caps in sizes #000 to #3, excepting #2s.  Size #3 is $7.06 plus $5 shipping.  Seach for "Now Vitamins - gel caps."  Orders of $50 and more ship free!  (Vitaglo also has an excellent price on potassium gluconate powder.)
  • iHerb.com sells gelatin caps in a variety of sizes.  A bag of 1000 #3s is $8.38 for $4 shipping.
  • ThrivingPets.com, (303) 320-6034, is a Colorado veterinary pharmacy that sells compounded pet medications and other medicines and supplies directly to pet owners.  They will sell 1000 #3 gel caps for $9.98 and/or 100 #4 for $10.98 plus $5 shipping.  They have other sizes and quantities of gel caps available.  They also sell aluminum hydroxide dried gel powder (a phosphorus binder, potassium gluconate powder (potassium supplement), compounded calcitriol liquid and a variety of other drugs and supplies used for treating animal CRF.  See http://tinyurl.com/22hasy for their CRF formulary.  Feedback from customers has been excellent.
  • Capsuline.com sells gel caps in sizes #000 to #4.  Size 3 gelatin capsules: 1,000 @ $15.99 free shipping, Size 4 gelatin capsules: 1,000 @ $16.99 free shipping, Size 3 beef flavored 1,000 @ 20.95 free shipping, Size 3 Chicken flavored 1,000 @ 20.95 free shipping.

  • Always Affordable Vitamins sells gelatin caps in sizes #000 to #3 (search for "empty gel caps").  Size #3 is $8.99 for 1000 plus $6.95 shipping.
  • Healthgenesis.com sells gelatin capsules in in sizes #000 to #3, excepting #2s.  Size #3 is $11.16 plus $5.75 shipping.
  • Thomas Veterinary Drug carries gelatin capsules in sizes #00 to #4.  Size #3 is $9.95 for 1000 and size #4 is $9.95 for 1000. Thomas also requires a $30 minimum for both web site and telephone orders!  Shipping and handling is $9.99 for orders under $60, free for orders of $60 or more.
  • Torpac Inc. sells 20 different sized gelatin capsules - prices quoted on request.

Gel Cap Sizes

Table 1.  Gel Cap Size, Volume and Fill Weight (1)
Size (#)  5 4 3 2 1 0 00 00
Volume (mL) .13 .21 .30 .37 .50 .68 .95 1.37
Typical Fill Weight (mg) (2) 60-90 95-210 135-300 165-370 225-500 305-680 430-950 615-1370

(1)  Information above is from Torpac Inc.(2)  Fill weight varies with the density of the fill material.

Torpac Inc., maker of empty capsules and capsule fillers, has the best Internet gel cap information and  size charts.  Torpac recommends sizes 3, 4 and 5 for feline use.  But many in the Feline CRF Support Group use bigger capsules with their pets.  Consult your veterinarian for what size is viable for your cat.


Table 2.  Cost to Buy 1000 #3 Gelatin Capsules
from Selected Vendors

Vendor
1000 #3
Gel Caps
Shipping &
Handling
Total
Vitaglo.com
$7.06
$5.00
$12.06
iHerb.com
$8.38
$4.00
$12.38
ThrivingPets.com
$9.98
$5.00
$14.98
Always Affordable Vitamins 
$8.99
$6.95
$15.96
Capsuline.com
$15.99
Included
$15.99
Healthgenesis.com
$11.16
$5.75
$16.37


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