• Thermogenic stimulants: Thermogenics are weight loss supplements that work to increase metabolism, causing the body to burn more calories while boosting energy. Many thermogenics also help suppress appetite. The two main categories of thermogenic supplements on the market are stimulants and thyroid regulators. CLICK HERE TO VIEW ALL THERMOGENICS

• Synephrine (or Citrus aurantium, bitter orange): Physiological effect is similar to the banned supplement ephedra. Synephrine increases metabolic rate and caloric expenditure by targeting tissues such as fat stores as sources of energy. It is important to note that unlike ephedra, synephrine has no effect on heart rate or blood pressure and will not cause “jitteriness”. Synephrine is thought to have effects similar to other stimulants, such as increased energy levels and suppressed appetite.Products to try: ISATORI Lean System 7 , NVE PHARMACEUTICALS Stacker 2 - Ephedra Free, SAN Tight - Ephedrine Free, TWINLAB Ripped Fuel - Ephedra Free
• Caffeine, guarana, kola nut, green tea extract: Caffeine is the most popular stimulant used for weight loss. Caffeine moderately elevates metabolic rate, encouraging thermogenesis, but not so much that you’d lose 20 lbs. sitting on the couch. It is more effective as an energy booster prior to exercise, enabling you to work out harder for longer periods of time. Caffeine can be listed under the following ingredient names: guaranine, guarana, green tea extract, kola nut, or yerba mate. Products to try: ISATORI Lean System 7 ,  NVE PHARMACEUTICALS Stacker 2 - Ephedra Free, NVE PHARMACEUTICALS Stacker 3 - Ephedra Free, CYTODYNE Xenadrine EFX - Ephedrine Free, MUSCLETECH Hydroxycut (New Formula)

• Carbohydrates: The main sources of fuel for the body are carbohydrates, one of the three macronutrients. Carbohydrates take two forms: simple sugars such as fruit juice provide quick energy; complex carbohydrates such as those found oatmeal provide sustained, lasting energy. Optimal exercise performance and endurance requires enough fuel for energy.

• Bars, shakes, MRPs: Nutritional bars, shakes and meal replacements are a good way to supplement a healthy weight loss plan. They are quick and easy, provide instant portion control, and many contain important vitamins and nutrients.Products to try:  LOW CARB AND DIET BARS, BALANCE BAR, CHEF JAY'S (Tri-O-Plex), CLIF BAR, CYTOSPORT, EAS (AdvantEdge), EAS (Myoplex), LABRADA, MET-RX, NATURE'S BEST (Isopure), NEXT NUTRITION, OPTIMUM NUTRITION, POWERBAR, PREMIER NUTRITION.
   
• Energy gels: These gels are packed with simple sugars and sometimes contain caffeine. Usually available in small, single serving packages, energy gels provide quick fuel for endurance athletes. Energy gels should be used if exercise is intense and lasts more than 1 hour, or moderate and lasting 2 or more hours. Products to try: POWERBAR Power Gel, CLIF BAR Clif Shot
   
• Sports drinks: These drinks restore fluids and electrolytes, and provide simple sugars for quick energy. Sports drinks should be used if exercise is intense and lasts more than 1 hour, or moderate and lasting 2 or more hours. Products to try: CLIF SHOT Electrolyte

• SAMe (pronounced “sammy”): S-adenosylmethionine is a naturally occurring compound found in all living cells. SAM-e is involved in the synthesis of mood-regulating neurotransmitters and may help lift depression. For optimal absorption, take SAMe with a B-vitamin complex. Products to try: NOW SAMe (400mg)
   
• 5-HTP: Low levels of the brain chemical serotonin is responsible for depression and increase in appetite. Serotonin levels drop during a dieting phase, and this may lead to increased cravings for carbohydrates. 5-HTP boosts serotonin levels and thereby helps control the appetite. 5-HTP should not be used by individuals who are currently taking SSRI or MAOI antidepressants. Products to try: NOW 5-HTP (100mg) , PrimaForce 5-HTP
   
• Rhodiola rosea: Acts as an adaptogen, meaning that the herb helps increase energy and endurance in times of exhaustion or stress. Rhodiola rosea works to promote optimal levels of neurotransmitters, and may positively influence ATP production.

• Ginkgo biloba: An herb derived from the leaves of a Chinese tree, ginkgo is thought to improve blood circulation, improve mental alertness and boost energy.
   
• Eleuthero (a.k.a. Siberian Ginseng): Like Rhodiola rosea, eleuthero is an adaptogen, helping the body fight stress and fatigue. Eleuthero is said to restore vitality and energy.
   
• Alpha lipoic acid: Also a potent antioxidant, ALA assists the B-vitamins in turning food into energy, and is said to help combat fatigue. Products to try. NOW Alpha Lipoic Acid (100mg), TWINLAB Alpha Lipoic Acid (100mg)
   
• Coenzyme Q10: Because of its powerful antioxidant properties, coenzyme Q10 is thought to boost the immune system and resistance to disease. It has also been shown to possibly improve muscle function and stamina by increasing energy at the cellular level. Products to try: NOW CoQ10 (400mg), NOW Red Yeast Rice with CoQ10, TWINLAB MaxiLIFE - CoQ-10 Formula
   
• Spirulina: The term spirulina collectively refers to several species of blue-green algae, popular as a health supplement in the U.S. and Japan . While no studies have proven it to boost energy, many people swear by spirulina for just this purpose. Products to try: Pinnacle Boozeaze
   
• Wheat grass/Barley grass: Often referred to as “green foods,” these cereal grasses are said to promote immunity and increased energy. There is no scientific evidence backing these claims, but again, many people are fans of these grasses.

• B-vitamins: A B-vitamin deficiency can lead to a host of unpleasant physical and neurological symptoms, as well as lack of energy. Those most susceptible to a B-vitamin deficiency are individuals consuming a poor diet, using birth control pills, the elderly, and those who cannot absorb food properly. See your physician for a diagnosis and supplement recommendations.
   
• Iron: Iron deficiency, known as anemia, is very common. Symptoms of anemia include weakness and fatigue. Those most at risk for developing anemia are children, menstruating young women, and pregnant women. Common causes of anemia are excessive blood loss, poor iron content in diet, poor iron absorption, pregnancy and growth spurts. Iron deficiency must be diagnosed and treated by a health care professional, as it is very easy and dangerous to consume too much iron.

Ref: Allstrhlth