Skip to content

Why not to drink Ensure? A Critical Look at Nutritional Shakes

4 min read

Despite its widespread availability, many common Ensure products contain significant amounts of added sugar, with some versions featuring up to 11 grams of added sugar per serving. This raises the question of why not to drink Ensure for those seeking optimal, whole-food-based nutrition.

Quick Summary

Many popular nutritional shakes contain processed ingredients, high sugar levels, and lack the nutritional diversity of whole foods. Potential side effects include digestive issues and medication interactions, prompting a closer look at healthier, more natural dietary alternatives.

Key Points

  • High Added Sugar: Many Ensure products contain significant levels of added sugar, potentially causing blood sugar spikes and contributing to unhealthy weight gain.

  • Processed Ingredients: Ensure contains processed components like corn maltodextrin, refined oils, and additives that lack the benefits of whole foods and may harm gut health.

  • Limited Nutritional Diversity: Unlike whole foods, nutritional shakes lack the full spectrum of vitamins, minerals, and antioxidants that are best absorbed synergistically.

  • Common Side Effects: Gastrointestinal issues such as constipation, bloating, and diarrhea are commonly reported side effects, especially in older adults.

  • Medication Interference: The high Vitamin K content in some versions can interfere with blood-thinning medications, making consultation with a doctor essential.

  • Superior Whole-Food Alternatives: Homemade smoothies and a balanced diet provide a more complete, natural, and cost-effective source of nutrition than processed shakes.

In This Article

The Hidden Concerns Behind Processed Nutrition

For many, nutritional supplement drinks like Ensure represent a convenient way to meet dietary needs, especially for individuals recovering from illness, experiencing appetite loss, or seeking to gain weight. However, this convenience can come with a trade-off. Many common formulations contain a high concentration of processed ingredients and added sugars that may not align with a balanced, whole-food approach to nutrition. For healthy individuals or those with specific health conditions, understanding these drawbacks is crucial before incorporating such products into a regular diet.

High Sugar Content and Refined Carbohydrates

One of the most immediate concerns with many standard Ensure products is the high level of added sugar. The World Health Organization recommends limiting free sugars to less than 10% of total energy intake. However, as indicated by nutritional facts, some Ensure products can contain up to 11 grams of added sugar per serving. For individuals with diabetes, this can be particularly problematic, as it may lead to spikes in blood sugar levels, potentially interfering with medication effectiveness. For healthy individuals, regular consumption of high-sugar drinks can contribute to unhealthy weight gain and other metabolic issues. Specific diabetic-friendly formulas, like Glucerna, are available but highlight the standard product's high sugar levels.

The Drawbacks of Processed Ingredients

A closer look at the ingredient list reveals a composition very different from a balanced meal. Some comparisons have even drawn parallels between Ensure's ingredients and those found in liquid artificial coffee creamer, highlighting the presence of industrially refined oils, thickening agents, and artificial additives. Unlike whole foods, these processed ingredients may not contribute to a healthy gut microbiome and could contribute to digestive and inflammatory issues.

  • Corn Maltodextrin: Often listed as a primary carbohydrate source, this is a highly processed sugar that can contribute to rapid increases in blood sugar.
  • Refined Oils: Ingredients like canola oil and corn oil are less nutritionally dense than fats from whole food sources like avocados or nuts.
  • Artificial Additives: Concerns exist regarding food additives like annatto, a natural coloring linked to intestinal upset and allergic reactions in some individuals.

Potential Side Effects and Health Risks

For some people, drinking Ensure can lead to uncomfortable and concerning side effects. The supplement's composition can cause gastrointestinal distress, and for individuals with underlying health conditions, there are more serious contraindications to consider.

Common Digestive Issues

Many users report experiencing gastrointestinal upset when consuming Ensure. These issues often include:

  • Constipation and Bloating: The formulation, particularly in those with a high protein or low fiber content relative to a balanced diet, can cause digestive sluggishness.
  • Diarrhea: Conversely, some individuals may experience diarrhea, especially during the initial days of use.
  • Lactose Intolerance: While most Ensure products contain small amounts of lactose, older adults often experience increased lactose intolerance, which can exacerbate digestive problems.

Medication and Condition-Specific Risks

It is critical to consult a healthcare provider before using Ensure, especially for individuals taking certain medications or with chronic diseases.

  • Blood Thinners: Many nutritional shakes, including some Ensure products, contain high levels of Vitamin K, which can interfere with blood-thinning medications like Warfarin.
  • Kidney Disease: Patients with advanced chronic kidney disease require careful monitoring of protein, potassium, and phosphorus intake. Ensure's mineral profile may not be suitable without strict medical guidance.
  • Diabetes: As mentioned, the high sugar content in standard versions makes them unsuitable for diabetes management, requiring a switch to a specialized product or avoiding them altogether.

Ensure vs. Whole Food Alternatives: A Comparison

Ultimately, a whole-food-based diet provides a far more comprehensive and bioavailable source of nutrients. Below is a comparison demonstrating the differences between a processed nutritional shake like Ensure and a simple, homemade smoothie.

Feature Ensure Original (Typical) Homemade Whole-Food Smoothie Key Difference
Nutritional Density Fortified with synthetic vitamins and minerals. Contains a broad range of natural vitamins, minerals, and antioxidants. Whole foods offer a synergy of nutrients for better absorption.
Ingredients Water, corn maltodextrin, sugar, milk protein concentrate, refined oils, artificial flavors, additives. Fruits, leafy greens (spinach), yogurt, nuts, seeds, milk or alternative. Whole foods are unprocessed and free of artificial additives.
Sugar Source Primarily added sugars (corn maltodextrin, sugar). Natural sugars from fruits and carbohydrates from yogurt/milk. Added sugars can cause sharper blood sugar spikes than natural sugars.
Fiber Content Low in dietary fiber (typically 2g per serving). Naturally high in dietary fiber from fruits, vegetables, and seeds (e.g., chia, flax). High fiber supports digestive health and satiety.
Cost Convenient but potentially more expensive per nutrient compared to whole foods. Often more cost-effective, especially when buying ingredients in bulk. Homemade is cheaper and provides more value per calorie.
Taste Standardized, often very sweet flavor profile. Customizable based on personal preference and ingredients. Natural flavors are more complex and varied.

The Real Solution: Embracing a Whole-Foods Approach

For most people, relying on processed shakes is an inferior nutritional strategy compared to consuming a diet rich in whole foods. While Ensure can serve a purpose for specific medical needs under a doctor's supervision, it is not a magical solution for everyday nutrition. A homemade smoothie made with fresh ingredients like spinach, bananas, berries, and a source of protein like yogurt or a natural protein powder, provides a superior nutrient profile. This approach not only avoids the high sugar and refined ingredients but also supplies essential fiber and a wide array of phytochemicals that work together to support optimal health.

Ultimately, nutritional shakes are not a substitute for a balanced, varied diet. Prioritizing whole, unprocessed foods is the most effective and healthiest path to achieving and maintaining good nutrition. If a supplement is necessary due to specific health concerns, it is best to discuss options with a healthcare provider or a registered dietitian who can provide personalized guidance.

For more information on comparing nutritional labels, the FDA offers a helpful guide on how to understand and use nutrition facts.

Frequently Asked Questions

Ensure is not necessary for healthy individuals who can meet their nutritional needs through a balanced diet. Its high calorie and nutrient content could lead to nutrient overload or unnecessary weight gain.

Yes, some individuals may experience gastrointestinal issues such as constipation, bloating, and diarrhea, especially when first starting to use the product.

Standard Ensure products are not suitable for people with diabetes due to their high sugar content. Specialized products like Glucerna are formulated for diabetics, but consultation with a doctor is always recommended.

A homemade smoothie with whole fruits, vegetables, and a natural protein source offers superior nutritional diversity and fiber content compared to Ensure, which contains more processed ingredients and added sugars.

Yes. The high Vitamin K levels in many nutritional shakes can interfere with the effectiveness of blood thinners like Warfarin, making them potentially dangerous. Medical advice is necessary.

Ingredients like corn maltodextrin, refined oils, and certain additives (such as annatto) have been linked to potential issues like intestinal upset and allergic reactions in some users.

While Ensure can be used as part of a calorie-controlled diet, it was not specifically designed for weight loss. Some higher-calorie versions are intended for weight gain. Consulting a healthcare professional for a suitable weight-loss plan is best.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.