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Are you trying to building muscle but not seeing results? well, you’re in luck. The Letterbox Gains team have tried a lot of supplements in our day and we want to cut right to point and share with you our top picks when it comes to supplements for muscle gain!

1. Creatine

Creatine is one of the most ergogenic supplements available. It is a naturally occurring substance within our muscle cells, and we can also consume it by eating meat. The positive effects of Creatine in relation to increasing size, strength and performance are undisputable. As a supplement, creatine has been popular since the 1990s, and has been the subject of hundreds of studies since then.

Taking it as a dietary supplement can increase muscle creatine content by up to 40% beyond its normal levels. This affects your muscle cells and exercise performance, promoting muscle gain. It helps to increase the resynthesize of ATP, the body’s immediate energy source, enabling you to work at a higher intensity for longer, perfect for explosive sports such as Rugby, Crossfit and Weightlifting.

2. Omega 3

Omega-3 fatty acids are essential to the body, but cannot be produced by it – making consumption through the diet necessary. Omega-3s help metabolize proteins in your body, and allow for the process of protein synthesis to happen.

“What is Protein synthesis you ask?”… Oh, it is just the process of muscle repair that allows your body to build more muscle after tough workouts and strenuous activity.

The main important points of taking Omega 3 is that it helps with aspects of inflammation and immunity, cell growth and tissue repair. The more stress you are able to put on your body with limited risk of injury and a higher rate recovery then the more you can train and pack on more muscle!

3. CoQ10

Coenzyme Q10 (COQ10) is a molecule produced in the body. It aids mitochondria during energy production. CoQ10 appears to protect against muscle damage resulting from intense exercise, as well as the oxidative damage that tends to follow exercise-induced muscle damage.

CoQ10 may help directly with muscle growth and strength. One 2002 study conducted at the Centre for Molecular Biology and Medicine in Richmond, Australia, reported that subjects supplementing with CoQ10 for four weeks significantly increased the amount of fast-twitch muscle fibers they had. Because the fast-twitch muscle fibers are the ones that grow the biggest, the strongest and the fastest, taking CoQ10 could make a major impact on your gains.

4. Glucosamine

Glucosamine is a natural chemical compound in your body and is one of the building blocks required to build and maintain muscle tissue and joint health. Glucosamine is naturally synthesized in the body from glutamine and glucose. Since glucosamine is very hard to find in food sources, supplementation is highly recommended especially since glucosamine is a safer alternative to anti-inflammatory drugs.

Shown to decrease inflammation and pain, glucosamine also helps keep your joints healthy by encouraging higher elasticity and strength. Glucosamine also slows down cartilage degeneration, while repairing connective tissue, which are all crucial aspects regarding the recovery process. If you’re looking for a supplement to help you gain muscle then you have found it right here.


Before we conclude, we must point out that if you are not putting in the work, either through training or nutrition, then you will not be doing yourself any favours with our list of supplements for muscle gain. Do not get us wrong, the supplements in our list are heavily researched and have been shown to give people a natural boost in muscle gains, but those people also put in the work and so should you.

What was that? - “how can you get your hands on all of the above supplements?” ahh that simple. Check out our products and select from our range of boxes available (apart from any selection boxes). Once you have made your pick, you can then select your supplement stack. You will see the ‘Muscle and Joint’ stack and all you need to do is select it and add your order to the cart, pay and away you go.

Chino Osuji