Food and Drink

2021 Diet Trends: The Best and the Worst Diets of 2021

Whether for weight loss, higher immunity, or heart health, 2021 diet trends have been quite noteworthy. As is the case with food trends every year, there have been some diets that experts have hailed as top-notch. In contrast, others have found their popularity weakening owing to several reasons.

Let us take a look at the best and worst-ranked diets of 2021.

Top 3 2021 Diet Trends

Here is the list of the top three best-ranked diets, globally lauded by food experts and dieticians in 2021:

Mediterranean Diet

With experts and dieticians unanimously considering this an incredible diet, the Mediterranean diet offers immense health benefits. Not only is it the no.1 diet for keeping your heart healthy, but it is also advisable for diabetic individuals, weight loss, and overall health. It includes plenty of whole grains, legumes, fresh fruits, and veggies. Intake of fish, olive oil, including red wine. In addition, there is a lot of flexibility in this diet, with no fixed portion sizes and a wide range of tempting recipes.

Flexitarian Diet

Since vegetarianism has been an influential 2021 food trend, a lot of people are exploring plant-based proteins. But not everyone is ready to take the plunge into complete vegetarianism immediately. The flexitarian diet is ideal for those who would like to balance vegetarianism with a bit of occasional meat/seafood consumption.


Dietary Approaches to Stop Hypertension or DASH have been prevalent amongst the health-conscious. Like the Mediterranean diet, there is a lot of whole grains, fresh vegetables, and fruits. But the main focus here is to cut down on salt intake and shun processed food altogether.

Worst-Ranked Diets of 2021

Some of the diets that were in vogue earlier have lost their appeal this year. Here’s a look at the bottom three:

Keto Diet

Since the Keto diet eliminated carbs abruptly, it was highly recommended for fast weight loss earlier. But dieticians today are realizing the perils of completely removing a vital nutrient from the menu. Side effects of the keto diet, such as fatigue, constipation, headaches, and insomnia, have brought it to the bottom tier this year.

Dukan Diet

Another highly restrictive diet, the Dukan diet, propagates lean protein, minimal carbohydrates, moderate fats, and vegetables. The strict phases and lack of diversity in foods have led to the loss of popularity of the Dukan diet.

Cleanse Diet

Primarily based on bottled juices, minimal meals, and expensive nutritional supplements, instant weight loss and intense detoxification brought forth this diet. But the sheer deprivation to the body and lack of sustainability in following this diet has brought it to the least-preferred category of diets.


Amongst other factors, the Covid-19 pandemic has had a significant impact on almost every 2021 food trend. Increasing environmental consciousness, health-consciousness, and relying on food for comfort are the other factors. For those who own or manage a food business, taking note of these latest diet trends can be helpful on many fronts.

Read more: 9 Biggest Food Trend Predictions For 2022

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