Fitness supplements are no longer a niche interest for bodybuilders. Increasingly, they’re becoming part of everyday wellness routines, supported by stronger research and sleek packaging that makes them look at home in the kitchen cupboard.
While many remain skeptical, experts say supplements can play a valuable role when diet alone isn’t enough. Gymbox master trainer Firas Iskandarani, one of London’s leading personal trainers, advises: “It’s important to try and meet nutritional needs through a balanced diet, but supplements can be helpful if there are specific deficiencies or dietary limitations.
Consider a blood test to identify deficiencies and then target supplementation accordingly. Ashwagandha, B Complex vitamins and creatine have all been heavily researched, and creatine in particular is something I am a fan of.”
Supplements can take time to show benefits, and dosages vary. But for many people, adding the right support has translated into improved workouts, recovery, and overall wellbeing. Here are eight supplements making a difference for fitness enthusiasts today:
Lion’s Mane
Best for: Brain health
This shaggy mushroom has been linked to reduced anxiety and improved gut health. “Lion’s Mane is specifically good for the brain,” says Rhian Stephenson, nutritionist and founder of Artah. “It also supports gut balance by inhibiting harmful bacteria. Our gut and brain are deeply connected.”
B Vitamin Complex
Best for: Energy boost
B vitamins are essential for energy metabolism and neurotransmitter production. Consultant dietitian Sophie Medlin, head of nutritional research at Heights, explains: “A good quality B vitamin complex can support both training and recovery. I recommend methylated B vitamins, as they’re more easily absorbed.”
Creatine
Best for: Muscle growth
Creatine, an amino acid naturally produced in the body, is one of the most studied supplements in sports performance. “It helps with strength, endurance, and muscle maintenance,” says Medlin. Taking it daily, even on rest days, can support muscle mass and power.
Ashwagandha
Best for: Stress reduction
An ancient herbal remedy now backed by modern research, Ashwagandha has been shown to lower stress hormones and improve sleep. A 2019 study found significant improvements in mild stress symptoms among participants who took it compared with a placebo group.
Magnesium
Best for: Relaxation and recovery
Magnesium plays a key role in muscle relaxation, sleep quality, and cardiovascular health. “I recommend a magnesium blend for different benefits – some types support muscle relaxation, others aid brain health,” Medlin notes.
Tongkat Ali
Best for: Testosterone support
Traditionally used in Southeast Asia, this shrub extract may help raise testosterone levels. One study in older men with low testosterone found meaningful improvements after a month of supplementation, potentially benefiting strength and mental wellbeing.
Turmeric
Best for: Recovery
Well known for its anti-inflammatory properties, turmeric helps muscles recover from the microtears caused by intense strength training. “It not only benefits your gut and brain but also reduces workout-related inflammation,” says Stephenson.
Cordyceps
Best for: Immunity
Once found on insect larvae but now cultivated in labs, these fungi are potent antioxidants. Research suggests they may provide long-term immune support and even anticancer potential.
Supplements aren’t a replacement for balanced nutrition, but with the right choices and guidance, they can help boost performance, recovery, and overall health.
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