The Allure and The Reality
For many, a vegan diet starts with good intentions, whether motivated by animal welfare, environmental concerns, or personal health goals. However, the journey can prove more difficult than anticipated. While a well-planned vegan diet can be healthy, a poorly managed one can lead to nutrient deficiencies and health problems that prompt people to quit. Beyond the physical challenges, social stigma, inconvenience, and psychological factors play a significant role in determining long-term success.
Health Complications and Nutrient Deficiencies
Health concerns are a leading cause of ex-vegans returning to an omnivorous diet. A plant-based diet, if not carefully managed, can lead to deficiencies in key nutrients often found in animal products.
Common Health-Related Issues Reported by Ex-Vegans
- Vitamin B12 Deficiency: Found primarily in animal products, B12 deficiency can cause fatigue, nerve damage, and memory problems. Ex-vegans sometimes report these symptoms after years on the diet, like singer Miley Cyrus, who reintroduced fish to her diet for better brain function.
- Omega-3 Fatty Acid Imbalances: While some plant sources exist, the body more efficiently uses the DHA and EPA found in fish. A lack of these fatty acids can impact cognitive function and cause inflammatory issues.
- Protein and Iron Intake: Inattention to combining plant-based protein sources can lead to inadequate protein consumption. Similarly, non-heme iron from plants is less bioavailable than heme iron from animal sources, potentially leading to low iron levels and anemia.
- Unexplained Fatigue and Anxiety: Many ex-vegans report a general decline in energy levels, increased anxiety, or other mental health issues that resolve after reintroducing animal products.
Social Isolation and Lifestyle Inconvenience
Maintaining a vegan diet often means navigating social situations where food is central. This can create feelings of isolation and make the lifestyle feel restrictive and difficult to sustain.
The Challenge of Staying Vegan in a Non-Vegan World
- Dining Out and Social Events: Eating at restaurants, family gatherings, or friends' homes can be stressful. The fear of being a burden or the limited vegan options can lead to frustration.
- Perceived Social Stigma: Some ex-vegans report feeling stigmatized or constantly having to justify their dietary choices, making them feel like they “stick out from the crowd”.
- Planning and Prep Time: Veganism often requires extensive meal planning, grocery shopping, and label reading, which can be time-consuming and inconvenient for individuals with busy lifestyles.
The Psychological and Sensory Factors
Beyond the practicalities, the psychological aspect of a restricted diet is a major hurdle. For many, food is a source of pleasure and comfort, and feeling deprived can be a strong motivator to quit.
Addressing Cravings and Boredom
- Persistent Cravings: A significant portion of ex-vegans report irresistible cravings for meat and dairy products. For some, this feels like the body signaling a need for specific nutrients.
- Food Dissatisfaction: In the Faunalytics study, 32% of ex-vegans listed being unsatisfied with food as the primary reason for reverting. The feeling of a limited and boring diet can reduce enjoyment and motivation.
- All-or-Nothing Mentality: Some people set unrealistic standards for themselves, and the inability to maintain a "perfect" vegan lifestyle can lead to feelings of failure and ultimately, giving up entirely.
The Cost and Planning Burden
For many, the cost of maintaining a healthy, whole-foods vegan diet is a major obstacle. While it is possible to eat cheaply on a vegan diet, replicating the convenience and variety of an omnivorous diet with plant-based alternatives can be expensive. The cost-of-living crisis has been cited as a factor in the decline of some plant-based purchasing, highlighting the financial pressures.
Comparison of Vegan and Omnivore Diet Challenges
| Factor | Vegan Diet Challenges | Omnivore Diet Challenges |
|---|---|---|
| Nutrient Concerns | High risk of B12, Iron, and Omega-3 deficiencies if not supplemented or planned correctly. Requires careful attention to intake. | Risk of chronic diseases linked to high consumption of saturated fat and processed meats. Can lead to low fiber and nutrient-poor diets if choices are unhealthy. |
| Social Issues | Navigating social situations, dining out, and potential social stigma from non-vegans can be challenging and isolating. | Fewer social hurdles as the diet is widely accepted. Can potentially face criticism from vegans regarding ethical or environmental choices. |
| Convenience | Requires more meal planning, label checking, and cooking from scratch. Limited convenient options, especially when traveling. | Abundance of convenient, pre-prepared food options. Less effort required for basic meal preparation. |
| Cost | High cost of some processed vegan alternatives and supplements. Can be affordable with careful planning of whole foods. | Can be expensive for high-quality meat and dairy. Potential cost savings with less reliance on processed goods. |
| Psychology | Potential for food boredom, cravings, and feelings of restriction. Strictness can create anxiety or an 'all-or-nothing' mindset. | Few psychological hurdles regarding restriction. Potential for overconsumption and unhealthy food relationships. |
Conclusion: The Path Forward for Sustainable Diets
The reasons why most people quit being vegan are multifaceted, highlighting the complex interplay of nutrition, social dynamics, finances, and psychological factors. Instead of viewing the challenge as a black-and-white failure, a growing number of ex-vegans and dietary experts suggest a more mindful, flexible approach. For some, transitioning back to a diet that includes animal products in moderation, often referred to as flexitarianism, provides a more sustainable path to achieving their health goals without the psychological and social burdens of strict veganism. For those who wish to remain vegan, education, meticulous nutritional planning, a strong support network, and access to affordable, convenient vegan options are critical for long-term success. Understanding the hurdles is the first step toward finding a dietary pattern that works best for individual health and lifestyle needs.
For more detailed findings on the reasons former vegans revert to eating meat, consult the Faunalytics study: A Summary Of Faunalytics' Study Of Current And Former Vegetarians And Vegans.