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Prove It Challenge™

Radically change the way you feel

Are you ready for the #ProveItChallenge? In just 30 days, feel HEALTHIER, more ENERGIZED, more FOCUSED, and ready to take on anything life throws your way. Includes your choice of 2 Life Shake™, 1 Vitalizer™, Free 7-Day Healthy Cleanse, Free Shipping, and Free Preferred Membership.

Customize your pack below. Kosher version available.

Suggested Retail: $267.10
Item: #89526

Feel amazing in 30 days – guaranteed§

Accept the #ProveItChallenge and feel healthier, more energized, more focused, and ready for anything.

The 7-Day Healthy Cleanse:

  • Improves focus and energy*†
  • Enhances mood and sleep quality*†
  • Supports detox and healthy digestion*†
  • Jump-starts weight loss and reduces cravings*†

Each convenient daily packet contains:

  • Optiflora® DI probiotic: Helps to promote healthy intestinal activity and good digestive health.*
  • Liver DTX® Complex: Protects liver cells from toxins and helps support liver cell function.*‡
  • Alfalfa Complex: Ultra-pure, premium alfalfa and spearmint. Green superfood abundant in vitamins, minerals, and chlorophyll.
  • Herb-Lax®: Natural, gentle laxative to cleanse the body.* Proprietary blend of senna and 8 other complementary herbs.

Also includes an easy-to-follow, step-by-step cleanse guide with simple recommendations for ways to optimize your journey to a healthier you.

Life Shake™ (available in Plant and Soy Protein formulas)

Designed to:

  • Increase energy and keep you feeling fuller longer with 20 g of ultra-pure, non-GMO protein.
  • Achieve a healthier weight with a leucine-powered formula to help you build lean muscle, burn fat, and improve metabolism.
  • Provide digestive support with fiber and digestive enzymes.
  • Deliver essential nutrients, including vitamins, minerals, and ALA, an essential omega-3 fatty acid.

Pick your favorite:

  • Plant: A blend of non-GMO pea protein, L-Leucine, organic chia seed protein, and organic pumpkinseed protein.
  • Soy: A blend of non-GMO soy protein.


Provides vitamins, minerals, antioxidants, omega-3s, and healthy probiotics—all in one convenient Vitalizer Vita-Strip®. With formulas designed to meet the needs of men, women, and adults over 50.


  • Vita-Lea® Advanced Multivitamin: Dissolves in less than 30 minutes in the stomach; designed to enhance absorption of folic acid from the patented microcoating
  • B+C Complex: Provides up to 198% greater absorption of B vitamins over 12 hours, as shown in a clinical study, through sustained release delivery to the small intestine.
  • Caroto-E-Omega: Enteric coating helps reduce fishy aftertaste by delivering omega-3 fatty acids, carotenoids, vitamin E, and other fat-soluble nutrients to the upper intestine.
  • Optiflora® Probiotic: Delivers healthy microflora to the lower intestine through our triple-layer encapsulation technology, protecting them from stomach acid.

Pick your Vitalizer:

  • Vitalizer Women: Excellent as a prenatal/postnatal multivitamin. Vitalizer Women provides a full spectrum of nutritional support, including 800 mcg of folic acid, 200 mcg of iodine, and 18 mg of iron.
  • Vitalizer Men: Comprehensive nutrition with additional lycopene.
  • Vitalizer Gold: Extra B vitamins, CoEnzyme Q10, and N-acetylcysteine.
  • Vitalizer-Kosher: Comprehensive nutrition including Vita-Lea, B-Complex, Sustained Release Vita-C, OsteoMatrix, and Vitamin D3.

7-Day Healthy Cleanse

In a preliminary study:3

  • 80% of participants experienced improved energy levels and decreased cravings.
  • 72% of participants felt improvement in hunger management.
  • 60% of participants felt improvement in mood.
  • 74% of participants felt improvement in quality of sleep and clarity of thinking.

Results showed an average weight loss of 6.8 pounds and a decrease in waist circumference of 1.62 inches.

Life Shake™ is:

  • Gluten free
  • Lactose free
  • Kosher. Certified by the Star-K kosher certification agency.
  • Low glycemic. Correlates to a slower rate of digestion and gradual release of glucose, contributing to better weight control and long-term health.
  • Free of added artificial flavors, sweeteners, and preservatives


  • Is based on 12 clinical studies and the Landmark Study, one of the largest studies ever done on long-term supplement users, which showed that Shaklee supplement users had markedly better health than non-supplement users.
  • Uses Shaklee Micronutrient Advanced Release Technology™ (S.M.A.R.T.™), a unique, patented delivery system designed to improve absorption of key nutrients. The right nutrients, in the right place, at the right time. That's S.M.A.R.T.

In the Landmark Study, Shaklee Users had:**

Higher levels of Nutrients


Higher Levels
of Key Nutrients

Our users had higher levels of key nutrients like Vitamin D, Folate and Vitamin B121,2

Healthier biomarkers


Healthier Key

Our users had significantly healthier biomarkers related to heart, brain and metabolic health1,2

Less biological stress


Healthier Levels of
C-Reactive Protein

Our users had 59% lower levels of C-reactive protein1

Better heart health


Better Cardiovascular

  • 33% lower levels of triglycerides1
  • 11% lower ratio of total cholesterol/HDL cholesterol1

Metabolic health


Lower Blood
Sugar Levels

Lower levels of Hemoglobin A-1c across the age spectrum2

Overall health


Very Good to
Excellent Health

84% of Shaklee supplement users rated their health as very good to excellent, 50% more than those using other supplements1

For 7-Day Healthy Cleanse:

Take one morning and one night packet daily with a glass of water.

Not intended for use by children, or pregnant or lactating women. If you are taking medication or have a medical condition, please discuss with your physician prior to use.

Product Label

FAQs - 7-Day Healthy Cleanse

For Life Shake™ and Vitalizer™:

Take one Life Shake™ and one Vita-Strip® every day.

Product Labels:
Life Shake™ French Vanilla Soy
Life Shake™ Rich Chocolate Soy
Life Shake™ Strawberry Soy
Life Shake™ Cafe Latte Soy
Life Shake™ French Vanilla Plant
Life Shake™ Rich Chocolate Plant
Vitalizer Women
Vitalizer Men
Vitalizer Gold
Vitalizer Gold without Vitamin K

Life Shake

Meet the living proof

Here are a few of the millions of people who proved they can live healthier lives through Shaklee.
Join them and become the living proof yourself.

Offer Rules:
Accept the Prove It Challenge and get the special price of $169—including a Free 7-Day Healthy Cleanse and Free Shipping.

  1. Offer valid in the US starting July 23, 2019.
  2. Open to new Members and Distributors.
  3. All existing Members and Distributors will have a one-time opportunity to purchase the Prove It Challenge for $169, regardless of price tier.
  4. To take advantage of this promotional price and Free standard shipping on the entire order, your cart must contain the Prove It Challenge #89526. Orders that include either the 5-gallon and/or 30-gallon size of Classic Basic-H® are not eligible for Free shipping.
  5. Offer valid once per Shaklee User ID.
  6. Eligible orders must be placed online.
  7. This offer does not apply to orders placed through the Call Center.
  8. The Free product cannot be returned for cash or product credit, or exchanged for another product type.
  9. Shaklee reserves the right to change or cancel this offer at any time. Offer good while supplies last.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Preliminary Study Results showed an average weight loss of 6.8 pounds and 1.62 inches, plus increased focus, energy, and improved sleep quality. Based on a 7-day pilot study conducted by three Shaklee Distributors—a medical doctor and two nutritionists—under the supervision of Shaklee Medical Affairs.

Ingredients tested in laboratory studies.

§Or your money back.

1 Block et al., "Usage patterns, health and nutritional status of long-term multiple dietary supplement users—a cross-sectional study" Nutrition Journal 2007, 6:30-41.
2 Jacques et al., J. American College of Nutrition 2019, in press.
3Lau FC, Sahr N, Carrillo-Massa M, Fyrberg C, Daggy BP, McManus JF. Safety, tolerability and efficacy of a 7-day cleanse program: a pilot study. Advances & Controversies in Clinical Nutrition, 2015.

**Percentages reflect Shaklee supplement users compared with non-supplement users. Data for nonusers was obtained from NHANES 2001-2002 and NHANES 1988-1994. Long-term Shaklee users clearly demonstrated lower levels of the most important heart-health biomarkers recognized by the American Heart Association.

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Average Customer Ratings

Overall (4.94/5)