Athlean-X is a popular fitness channel hosted by Jeff Cavaliere, a certified strength and conditioning specialist and former physical therapist. The channel offers a variety of workouts that focus on building muscle, burning fat, and improving overall fitness levels. Jeff also provides valuable information on nutrition and supplements to help men achieve their fitness goals.

Men's Health is a well-known health and fitness magazine that has a YouTube channel with a variety of fitness-related content. The channel offers workout videos, nutrition advice, and lifestyle content specifically tailored to middle-aged men. They also feature interviews with experts in the health and fitness industry, as well as success stories from men who have transformed their lives through fitness.

Scott Herman Fitness is a YouTube channel hosted by personal trainer Scott Herman. The channel offers a variety of workout videos, including strength training, cardio, and HIIT workouts. Scott also provides nutrition advice and supplement recommendations, as well as motivational content to keep men on track with their fitness goals.

Six Pack Abs is a YouTube channel hosted by fitness expert Thomas DeLauer. The channel focuses on fat loss and building lean muscle mass, with a particular emphasis on achieving six-pack abs. Thomas provides valuable information on nutrition and supplements, as well as workout videos that can be done at home or in the gym.

Strength Camp is a popular YouTube channel hosted by strength coach Elliott Hulse. The channel offers a variety of workout videos that focus on building strength and muscle mass. Elliott also provides valuable information on nutrition and supplements, as well as motivational content to help men stay on track with their fitness goals.

Tony Horton is a well-known fitness expert who created the popular P90X workout program. His YouTube channel offers a variety of workout videos, including strength training, cardio, and yoga. Tony also provides nutrition advice and supplement recommendations, as well as motivational content to keep men inspired and motivated.

The Lean Machines is a YouTube channel hosted by personal trainers John Chapman and Leon Bustin. The channel offers a variety of workout videos, including strength training, cardio, and HIIT workouts. John and Leon also provide valuable information on nutrition and supplements, as well as lifestyle content to help men achieve their fitness goals.

Bodybuilding.com is a popular fitness website that also has a YouTube channel with a variety of fitness-related content. The channel offers workout videos, nutrition advice, and supplement recommendations, as well as interviews with experts in the health and fitness industry. They also feature success stories from men who have transformed their lives through fitness.

Juggernaut Training Systems is a YouTube channel hosted by powerlifter Chad Wesley Smith. The channel offers a variety of workout videos that focus on building strength and muscle mass. Chad also provides valuable information on nutrition and supplements, as well as motivational content to keep men inspired and motivated.

Buff Dudes is a YouTube channel hosted by two brothers who are personal trainers. The channel offers a variety of workout videos, including strength training, cardio, and HIIT workouts. They also provide valuable information on nutrition and supplements, as well as funny and entertaining content to keep men engaged and motivated.

The Strength Sensei is a YouTube channel hosted by Charles Poliquin, a strength coach and nutrition expert who has trained Olympic athletes and professional sports teams. The channel offers valuable information on strength training, nutrition, and supplements, as well as interviews with experts in the health and fitness industry.

Barbell Brigade is a YouTube channel hosted by powerlifter Bart Kwan. The channel offers a variety of workout videos that focus on building strength and muscle mass. Bart also provides valuable information on nutrition and supplements, as well as motivational content to keep men inspired and motivated.

Isuf is a YouTube channel hosted by personal trainer Omar Isuf. The channel offers a variety of workout videos that focus on building strength and muscle mass. Omar also provides valuable information on nutrition and supplements, as well as motivational content to keep men inspired and motivated.

Alan Thrall is a YouTube channel hosted by strength coach Alan Thrall. The channel offers a variety of workout videos that focus on building strength and muscle mass. Alan also provides valuable information on nutrition and supplements, as well as motivational content to keep men inspired and motivated.

Fitness Blender is a YouTube channel hosted by personal trainers Daniel and Kelli. The channel offers a variety of workout videos that can be done at home or in the gym, including strength training, cardio, and HIIT workouts. Daniel and Kelli also provide valuable information on nutrition and supplements, as well as lifestyle content to help men achieve their fitness goals.

In conclusion, there are many great fitness YouTube channels specifically tailored to middle-aged men. These channels offer a variety of workout videos, nutrition advice, and supplement recommendations, as well as motivational content to keep men inspired and motivated. By following these channels, men can stay on track with their fitness goals and achieve better health and wellbeing.