Best Capsule Energy Supplements in 2026

Supports Immune System Health: Doublewood Supplements' Quercetin with Bromelain Capsules are made from plant flavonoids that are found in a variety of fruits and vegetables. Our Quercetin with Bromelain Capsules may help support your immune system

Includes 200 MG Bromelain: Bromelain helps improve the absorption of quercetin into the blood stream and works in synergy with Quercetin (increases Quercetin's bioavailability)

Ampk Metabolic Activator: Multiple studies have shown Quercetin may be considered an AMPK Activator and help support metabolism

Supercharge your Mitochondria; ALCAR promotes mitochondrial function which helps support cognitive function and exercise endurance

Support Cognitive Function; L Carnitine is able to pass through the blood brain barrier to support memory, learning, and overall cognitive function

Gain an Edge in the Gym; By supporting mitochondrial function in your muscles ALCAR promotes energy production and can support workout endurance

Supports overall Health; Resveratrol can support healthy and overall overall health.

Support Healthy Aging; Resveratrol is believed to support a healthy aging process

Whopping 120 Capsules Per Bottle (Two Month Supply); Each bottle contains 120 capsules, enough to provide 60 servings of 500mg Natural Resveratrol

Manufactured and Tested in the USA; Our L Citrulline capsules are Manufactured in the USA and safety tested for heavy metal and microbes in a state of the art New York facility

Supports L Arginine Levels; Research shows that L Citrulline may be more effective at supporting levels of L Arginine in the body when compared to direct L Arginine supplementation

Boost Nitric Oxide Levels; L Citrulline supports the synthesis of Nitric Oxide which may help support flow, circulation, and the “pump” experienced when lifting weights

Promote Choline Levels; CDP Choline is an effective and potent Choline source

Supports Memory; CDP Choline may help support memory formation and retention

Supports Cognitive Function; CDP Choline supports working memory, focus, and mental energy

10% Ginsenosides; Double Wood's Ginseng is standardized to 10% Ginsenosides (The active ingredient in Ginseng which provides benefits)

Cognitive Function and Energy Support; Ginsenosides (the active ingredient in ginseng) can help support cognitive function and energy levels

Mood and Motivation Support; Studies have shown Panax Ginseng may help support healthy mood and healthy levels of motivation

Superior Iron Supplement: Lactoferrin helps support iron absorption by binding to free iron particles in the intestines and helping your body utilize them

More Bioavailable than Iron Alone: Clinical research shows that Lactoferrin may be up to 5.8x more bioavailable compared to other sources of iron such as ferrous sulphate

Patented Bioferrin Lactoferrin: Bioferrin is a milk derived lactoferrin compound that is partially saturated with Iron for gentle and safe Iron absorption

Standardized to 95% Saponins Content: No other Tribulus supplement is standardized to a higher percentage of Saponin that Double Wood. Most brands use 45% or less formulas

Men's Health Supplement: Saponins found in Tribulus may help act as a men's health supplement

Supplement for Men and Women: Research has shown Tribulus extracts with high Saponin content may help both men and women

Ultimate Sleep Bundle: This Bundle contains Magnesium Threonate, Apigenin, and L-Theanine to support sleep

Magnesium L-Threonate: Magnesium Threonate may help raise magnesium levels in the brain to support sleep.

Apigenin: Apigenin is a powerful flavonoid that may help support sleep

Peppermint Flavored Liquid Chlorophyll Drops from Mulberry Leaves - Double Wood's liquid Chlorophyll drops are naturally extracted from mulberry leaves and entirely vegan safe. They are not watered down giving you the full liquid Chlorophyll benefit.

One Month Supply - Doublewood includes a total of 1,500mg of natural Chlorophyll per bottle (30 servings of 50mg)

Provides Many Health Benefits- Many people add chlorophyll to their water in the morning to support skin health, weightloss, boost energy, and for digestive / immune health

MAGNESIUM L-THREONATE (MAGTEIN) - This is a patented form of magnesium clinically studied to promote cognitive function. Many customers also find it assists with Nighttime.

ALPHA GPC - This is used to promote Choline levels. Choline is essential to cognitive function and classified as an essential nutrient

PERFECT NUTRIENT COMBINATION - This supplement bundle helps support choline and magnesium levels in the brain which promotes optimal cognitive function