10 Rapidly Growing Fitness and Diet Trends

The 75 hard challenge is another TikTok fitness phenomenon created by motivational speaker, author and podcaster Andy Frisella in 2019. At the start of 2023 there’s been a 77% increase in searches.

Designed to be a ‘transformative mental toughness program’ it consists of living by 6 rules for 75 days: Stick to any diet, no alcohol or cheat meals, complete two 45-minute workouts per day (one must be outside), drink 158 ounces (4.5 liters) of water each day, take a daily progress photo and read 10 pages of an inspirational or educational non-fiction book each day. If you fail any one of these, you must restart from day 1.

Frisella claims you will ‘come out on the other side as ‘the hardest, most disciplined version of yourself.’

3. Carnivore Diet

The carnivore diet is a restrictive diet that only includes meat, fish and other animal products such as eggs, and dairy products, it’s similar to a ketogenic diet, with fats and protein being the only source of calories. It is more restrictive as there are 0 carbs and no fruits and veg.

Many have claimed eating carnivore has aided in weight loss (1, 2), muscle growth, improving mood and energy (3, 4, 5, 6) and in some cases cured mental (7) and physical medical conditions. Although much of this evidence is anecdotal (8), there are studies that support the idea that diets could be important factors in helping with some mental and physical disorders.

4. Cross Fit

Cross Fit is branded fitness regimen that involves constantly varied functional movements performed at high intensity. The method was developed by Greg Glassman in 2000 and still to this day is one of the most popular and trending fitness regimes. Cross Fit consists of elements from weightlifting, gymnastics, HIIT and cardio to create an all-around strength and conditioning program.

Despite being over two decades old there’s been a 41% increase in search volume in 2023 so far, showing the longevity and popularity that Cross Fit has within the fitness world.

5. HIIT (High-Intensity Interval Training)

HIIT or High-Intensity Interval Training, is a training protocol alternating short periods of intense or explosive anaerobic exercise with brief recovery periods until the point of exhaustion. One of the attractions of HIIT workouts is that you only need to do a 20-minute workout to experience the fitness and health benefits, this is due to excess post-exercise oxygen consumption (EPOC) which can increase calorie burn up to 24 hours after doing a HIIT workout.

This makes it great for people who don’t have a lot of free time. Many HIIT workouts only use body weight which means you don’t even need access to a gym. Searches for HIIT continue to rise with 25% more in 2023 than this time last year.

6. Functional Fitness Training

Functional Fitness Training is workouts that focus on strength training that readies the body for daily activities. This means incorporating bending, twisting, pushing, pulling, squatting and hauling as well as other movements.

This training prepares people for daily life and the stresses that are constantly exerted on our bodies. With an 18% increase over this time last year, this type of training is rising in popularity due to its clear application in our day-to-day lives. Its person-centered to increase longevity and support health for later on in life.

7. Calisthenics

Callisthenics is a form of exercise that uses one's body weight as resistance to build strength, flexibility, and endurance. It doesn't require any equipment and can be done anywhere, making it a popular choice for people who don't like going to the gym or travel for work a lot. Calisthenics is much harder than many traditional fitness trends which is why despite its benefits is not as popular, although still experienced a 16% increase in search volume in the first few months of 2023.

8. Mobility Training

Mobility training is a type of exercise that focuses on improving the range of motion, flexibility, and stability of your joints and muscles. It typically involves a combination of stretching, bodyweight exercises, and dynamic movements that target specific areas of the body.

Mobility training can be beneficial for individuals of all fitness levels, as it can help improve overall physical performance, prevent injury, and alleviate pain and discomfort associated with tight or restricted muscles.

By incorporating mobility training into your regular workout routine, you can enhance your body's ability to move freely and efficiently, allowing you to perform everyday activities with greater ease and comfort. Mobility training has become popular across social media which explains the steady increase in search volume over the past year.

9. Body Weight Training

Bodyweight training is a form of exercise that involves using your own body weight as resistance to build strength, flexibility, and endurance. This type of training can be done anywhere and doesn't require any special equipment, making it a convenient and cost-effective way to stay in shape.

The beauty of bodyweight training is that it can be easily modified to suit any fitness level, from beginner to advanced, making it a versatile and effective form of exercise for people of all ages and abilities.

10. Primal Movement