Best Capsule Energy Supplements in 2026

⚡ Boosts Energy - L-Citrulline, one of nonessential amino acids, may have the ability to support overall wellness.* Our L-Citrulline, in powder form, is a way to boost energy levels and help support endurance and may help you get through the day.* Add our L-Citrulline powder, a citrulline supplement, to your daily diet for an energy boost!

✔️ Supports Blood Flow - L-Citrulline is converted to L-Arginine, or Arginine which is essential for nitric oxide and blood flow.* Our L-Citrulline powder, a citrulline supplement, may help support the levels of nitric oxide in the body, as well as support the delivery of oxygen and nutrients to your muscles.* Making our L-Citrulline powder a supplement for people who are leading an active lifestyle.

✔️ Unflavored & Gluten Free - Our L-Citrulline powder, a citrulline supplement, is unflavored which makes it a great addition to your daily routine and regimen! And, this product is gluten free, soy free, dairy free and especially no added sugars! Each servings contains 3g of this amino acid and it's in a convienient and resealable packaging.

🏋️ For Energy - Acetyl L-Carnitine is one type of Carnitine that can be beneficial for those who lead active lifestyles. Our ALCAR 600mg powder, or ALCAR Acetyl L-Carnitine powder, may helps the body produce energy more efficiently, allowing you to endure more activities.* This means you'll have energy to make it through your day!

🧠 For Brain Health - Not only that it may help with energy, Acetyl L-Carnitine, or Acetyl-L-Carnitine, may help support the brain and it's function.* Making our ALCAR powder, a carnitine supplement, an ideal addition to your daily routine and regimen for individuals leading a healthy lifestyle, as well as active lifestyle.*

✔️ Unflavored & Easy to Take - Our Acetyl-L-Carnitine powder, or N-Acetyl L-Carnitine powder, is unflavored and a type of carnitine supplement. And, it's perfect for adding it to your shake, protein shake, smoothies, or simply just water, which is free of gluten, soy, dairy and added sugars. Simply add 600mg or about 1/4 tsp to any beverage and you're good to go!

✔️Potassium Chloride - A supplement that can support a healthy nervous function, help maintain hydration of the body, and promote healthy heart function.

✔️Magnesium Glycinate - A magnesium salt that consists of both Magnesium and Glycine, this supplement can help support heart function, aid in digestion, and much more.

⭐ High Quality - All products by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We’ve made a significant investment in our in-house lab so we can test our products at multiple stages during production. We third party test products, procedures and equipment when required to ensure compliance, standards and consistency.