Skip to content
PLEASE NOTE: You may experience errors on our site when using Internet Explorer. Please consider updating your browser, or download Google Chrome.

Senior-Flex™ Powder

Price: $41.95 $1.50/day
Packaging Options: SmartPaks
Shipping Frequency: AutoShips every 28 days (details)
You'll love our AutoShip because it's:
  • Focused on healthy horses, because consistency is key
  • Easy to snooze or cancel online, anytime
  • Totally flexible - edit your order as often as you'd like
  • Your VIP pass to FREE SmartPerks benefits
PLUS! You'll save 20% on every shipment if you order this product on AutoShip
The frequency you selected is not eligible for SmartPerks benefits that come with AutoShip supplement orders. In order to get benefits like free shipping and 10% off, set this product to ship at least every 56 days. What are SmartPerks?
These SmartPaks are for:
Dose:  Maintenance 1 scoop (1 ounce) daily
Change Dose
  • This horse already has an existing AutoShip SmartPak. Please select the "AutoShip" checkbox or enter a different horse name.
Please call 1-800-461-8898 to order this product.
At SmartPak, your happiness is at the core of everything we do. We put our products to the test in our barns and on our horses, and back every order with our world-class customer service so that you can shop with confidence.
As a company of riders and horse owners, we put our products to the test, including taste tests!
NASC Logo

NASC Quality Seal:

The National Animal Supplement Council is a nonprofit industry group founded with the goal of improving and standardizing the animal health supplement industry. Members are required to meet criteria before they are granted permission to display the seal on products.

Learn More About the NASC

Product Overview

Targeted Support For Senior Joint Health

Senior Flex is a unique combination of joint, digestive, and antioxidant support for the senior horse. Provides 5,000 mg of glucosamine, 500 mg of chondroitin sulfate, 3,000 mg of MSM, 5,500 mg of yucca, 1,200 mg of Ester-C, 15,000 IUs of vitamin A, 1,000s IU of vitamin E, and probiotics to aid in weight gain, body condition, and digestive function. Senior Flex is apple-flavored with a rice bran base for added palatability.

Also consider Senior Flex H/A Pellets!

  • 5,000 mg of glucosamine, 500 mg of chondroitin sulfate, 3,000 mg of MSM, & yucca for healthy joints
  • Includes vitamin A & vitamin E for antioxidant support, plus probiotics for healthy digestion

Research

Facts

Supplement Facts

Active Ingredients Per: 1 scoop (28.4 g)
Ingredients
Ingredient Name Amount Per Serving
Yuca Schidigera Extract 5,500 mg
Glucosamine Sulfate (May Contain Shellfish) 5,000 mg
Methylsulfonylmethane (MSM) 3,000 mg
Calcium Ascorbate 1,200 mg
Chondroitin Sulfate (Bovine) 500 mg
Vitamin A 15,000 IU
Vitamin D3 5,000 IU
dl-Alpha Tocopheryl (Vitamin E) 1,000 IU
Probiotic Blend (B. subtilis, B. licheniformis) 250 million CFUs
Inactive Ingredients: Active dry yeast (saccharomyces cerevisiae), natural and artificial flavors, soybean oil and stabilized rice bran.

Instructions

Instructions
Enclosed measure approximates 28.4 g

Adult Horses (900-1,100 lbs):
Higher maintenance level, provide 1 scoop (28.4 g) twice daily.
For lower maintenance level, provide 1 scoop (28.4 g) twice daily.

This level may be doubled for the first 14-21 days

SmartPak has obtained permission from the manufacturer to administer the loading dose for 28 days for our customers who wish to add this supplement to their SmartPaks.

Supercharge Your Supplements

  • Simplify with SmartPaks | Consistent, Custom, Convenient
    We take the guesswork out of serving sizes, ensuring your horse gets the right amount, every time. SmartPaks have airtight seals to ensure that your horse always has the freshest supplements available. Your horse is unique and his supplements should be too. Choose from over 230 supplements to get everything he needs, nothing he doesn't. We print your horse's name on every Pak so there are no mix-ups, making feeding time fast, accurate and easy! Unlike most buckets, SmartPaks are made from recycled plastic and can be recycled again! We'll send your SmartPaks on time so you never run out, with total flexibility and no commitment. Plus all SmartPaks over $40 receive free ground shipping.

Reviews

The reviews provided on this website represent the experience of the individual posting the review. We do not adopt, edit, or endorse any of the submissions posted within the reviews section. Rather, the reviews are part of an online community of animal owners that desire to share their particular experience with other individuals. These reviews are not a substitute for discussing the health of your animal with a veterinarian.

Senior-Flex™ Powder is rated 4.6 out of 5 by 142.
  • y_2025, m_5, d_3, h_6
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
  • cp_1, bvpage1
  • co_hasreviews, tv_26, tr_116
  • loc_en_US, sid_1817, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_smartpak
  • bvseo_sdk, net_sdk, 3.2.0.0
  • CLOUD, getContent, 32ms
  • REVIEWS, PRODUCT

Q&A

Recently Viewed View all