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Welcome to the HPRC Blog. We've got lots of information here, from quick tips to in-depth posts about detailed human performance optimization topics.

HPRC Fitness Arena: Dietary Supplements

What’s in your energy drink?

Energy drinks are really “stimulant” drinks. Learn how to identify potentially harmful ingredients.

Stimulants can be dangerous to your health, especially in large quantities, but they’re what give energy drinks their “punch.” You may already know caffeine is a major stimulant found in energy drinks. But do you know that energy drinks often contain other stimulants? These can include “hidden sources” of caffeine (such as guarana, green coffee bean, green tea, and yerba mate), yohimbe, and synephrine (bitter orange).

Many energy drinks, however, aren’t labeled with the amounts of caffeine or other stimulants in them. Some or all of these ingredients are often part of “proprietary blends,” so it’s impossible to determine from the label the exact amount of each ingredient you would be taking. Furthermore, energy drinks might be mislabeled or marketed as sports drinks, causing even more confusion.

Remember, stimulants come in many different forms, so Operation Supplement Safety (OPSS) put together a list of stimulants found in dietary supplements to help you identify these potentially harmful ingredients. And to help you understand what’s in your energy drink, check out the OPSS infosheet on energy drink labels, which includes helpful notes about ingredients. 

Nitric oxide supplements for performance?

Nitric oxide supplements are popular pre-workout supplements, but do they deliver on their promises to boost performance?

Nitric oxide (NO) supplements are marketed to maximize your performance by giving you extra energy and enhancing your focus during workouts so you can train longer and harder. But these supplements don’t contain any nitric oxide, which is a gas. So what’s really in them, and do they work? More important, are they safe to use? Find out in our OPSS FAQ on nitric oxide supplements.

Do you still have questions about dietary supplements? Explore our other Operation Supplement Safety FAQs. If you can’t find the answer there, you can use our “Ask the Expert” button.

“Tainted” dietary supplement products

Dietary supplements sometimes contain ingredients that are not listed on the label. Find out which products can put your health and career at risk.

Service members should be careful about taking dietary supplements because many of these products contain hidden active ingredients that can result in harmful effects.

The most common types of dietary supplements found to contain “undeclared” ingredients (that is, substances not listed on the label) are those marketed for weight loss, sexual enhancement, and bodybuilding. The Food and Drug Administration (FDA) has identified over 600 tainted dietary supplements. FDA specifically warns against the use of products that claim to be “alternatives” to FDA-approved drugs or “legal” alternatives to anabolic steroids.

Dietary supplements don’t require approval by FDA before being put on the market, and without laboratory testing there is no way to know the contents of a product. If you’re considering a dietary supplement, be sure to check the label to see if the product has been evaluated by an independent third-party organization.

For more information, please visit Operation Supplement Safety (OPSS), including the OPSS High-Risk Supplement List.

Have you had an adverse event?

Know the signs of an adverse event and how to report this important information.

An “adverse event” can occur as a result of taking some dietary supplements. Learn how to identify an adverse event from the Operation Supplement Safety (OPSS) FAQ, and find out where you can go to report one. And for healthcare providers, HPRC has a helpful video, “How to probe for dietary supplement use and report adverse events.” (Click on the “Video” tab to access the link.) Documenting adverse events is an essential part of how the Food and Drug Administration (FDA) evaluates potentially dangerous dietary supplements, so it’s very important to report potential problems.

What should I look for in sports drinks?

Sports drinks are popular products for fueling and hydration during workouts. Learn about what your sports drink should contain and how they stack up to nutrient recommendations for performance.

Sports drinks that contain electrolytes and carbohydrates can be essential to performance by replenishing what is lost during activity, mostly through sweat. For activities less than 60 minutes, water is the best drink to replace lost fluids. If your exercise session or mission exceeds 60 minutes, then sports drinks can be helpful. Follow HPRC’s guidelines for maintaining important nutrients such as fluid, carbohydrates, sodium, and potassium during activity to keep well hydrated and on top of your game. Read more here.

What are high-risk supplements?

HPRC Fitness Arena: Dietary Supplements
Some dietary supplement products contain problematic ingredients. Find out which ones might pose a health risk.

High-risk dietary supplements are those that may present serious health risks. Many have been found to contain undeclared drug ingredients, steroids, steroid-like ingredients, and/or stimulants, which can have negative and dangerous side effects. Products most commonly “tainted” in this way are those marketed for bodybuilding, performance enhancement, weight loss, sexual enhancement, and diabetes. Such products may also result in a positive drug test. For more information, read the FDA News Release “Tainted products marketed as dietary supplements potentially dangerous.” For more information about urinalysis and drug testing, read HPRC’s “Dietary supplements and drug testing,” which is also available as a PDF infosheet.

In addition, you can visit the OPSS High-Risk Supplement List for information about certain dietary supplements that may pose a health or sport anti-doping risk.

For more Frequently Asked Questions about dietary supplements, visit the Operation Supplement Safety (OPSS) FAQs.

The foundations of Total Force Fitness

Get back to basics with the foundations of Total Force Fitness: health, resilience, and performance optimization. What are they and how do they go together?

Have you heard the terms “resilience” and “Total Force Fitness,” but you’re not quite sure what they mean or where they fit into the health and performance picture? Read on.

Your health is the foundation. The 2010 article "Why Total Force Fitness?" states, “nothing works without health.” Health is not just physical and not just something to worry about when you’re sick. Health is a combination of physical, mental, spiritual, and social well-being and includes practices that promote wellness in addition to those that help you recover from sickness or injury.

Resilience is next. Resilience is the ability to bounce back—or even better, forward—and thrive after experiencing hardship. It is not the ability to completely withstand hardship but rather the ability to come back from it and grow stronger through the experience.

Next is human performance optimization (HPO). Unlike resilience, which typically requires the experience of hardship, HPO involves performing at your best for whatever goal or mission you have (whether that is your PT test, a combat mission, or raising children). It goes beyond simply resisting challenges; it means functioning at a new optimal level to face new challenges.

Health, resilience, and optimal performance are the foundations of Total Force Fitness, which is defined in the “Physical Fitness” chapter of “Total Force Fitness for the 21st Century” (see link above) as a “state in which the individual, family, and organization can sustain optimal well-being and performance under all conditions.” Being totally fit requires a holistic approach—that is, an approach that doesn’t focus on just one aspect alone such as nutrition or physical fitness, but on multiple domains of fitness. It means attending to your mind (including psychological, behavioral, spiritual, and social components) and your body (including physical, nutritional, medical and environmental components). In order to achieve Total Force Fitness, these factors come together to enhance your resilience and/or performance.

This is where HPRC can help you on your quest for total fitness. By visiting each of our domains—Physical Fitness, Environments, Nutrition, Dietary Supplements, Family & Relationships, and Mind Tactics—you can get evidence-based information on a variety of holistic topics to help you achieve and sustain total fitness. But remember that total fitness is a life-long process that will ebb and flow. And it isn’t just about you; your loved ones are an important piece of the picture, too.

To learn more, check out HPRC’s "What is 'Total Force Fitness'?" and for in-depth information, visit the Total Force Fitness Articles section of HPRC’s website.

The dirt on diatomaceous earth

Diatomaceous earth is promoted as a “cure-all,” but is there any truth behind the claims?

Diatomaceous earth (DE) is a powder composed of fossilized algae called “diatoms.” Diatoms are single-celled organisms found in bodies of water, and DE is used commonly for various reasons: 1) a natural insecticide; 2) an anti-caking agent; and 3) a clarifier for wine and beer. However, some people add food grade DE to their food and beverages because DE is a rich source of silicon dioxide. Silicon is a chemical element that occurs naturally as silicon dioxide in many foods, such as whole grains and vegetables.

Proponents of DE suggest that the high silicon dioxide content helps with weight loss, detoxification/cleansing, energy levels, joint pain, teeth and gums, cholesterol and blood pressure, and food absorption. Consumers and some retailers of DE supplements also claim that its abrasive (scratchy/rough) and absorptive properties improve digestive health by ridding the intestines of bacteria and parasites as well as regulating bowel movements.

There is not enough research to support these claims, and the biological role of silicon in humans is uncertain, so there is no recommended intake or DRI (Dietary Reference Intake). According to Natural Medicines Comprehensive Database, silicon is safe to consume in amounts commonly found in foods, but insufficient scientific evidence is available for its effectiveness and safety as a dietary supplement.

For more answers to common questions we’ve received about dietary supplements, please visit our Operation Supplement Safety (OPSS) FAQs.

Remembering on Memorial Day

Filed under: Memorial Day
Memorial Day is not only a time to remember those who have served but to remember how to serve those who do.

Today is Memorial Day. Memorial Day began as “Decoration Day” after the Civil War. In 1882, Decoration Day became widely known as Memorial Day, and after WWII it became a day to remember all our fallen heroes, not just those from the Civil War. In 1967, Congress passed the law making it an official holiday to be celebrated on May 30, subsequently changed to the last Monday of May. We at HPRC extend our greatest appreciation to those who have perished for our nation and offer our sincere sympathy for the families left behind. There are many ways people choose to remember those who gave their lives as a supreme sacrifice to our country and its ideals. HPRC is dedicated to providing our Warfighters and their families the information they need to build resilience to prevent injury and illness and carry out their missions as safely and effectively as possible. Our desire is to reduce the level of sacrifice our warriors have to make as they fulfill their future missions for us and for our nation.

Redotex for weight loss?

Is the weight-loss product Redotex legal?

Redotex is a drug manufactured in Mexico and being sold in the U.S. as a weight-loss product. According to the U.S. Food and Drug Administration (FDA) it is a misbranded drug and is not legal to sell as either a drug or a dietary supplement. It is not permitted for use by DoD personnel or civilians.

According to the FDA Import Alert, “it appears to be a new drug without an approved New Drug Application…” In addition, it contains a combination of thyroid, diuretic, stimulant, and tranquilizer drugs that may cause serious and potentially fatal adverse reactions. In addition to posing a health hazard, the product contains a DEA Controlled Substance that will cause a positive drug test. It is very important to read product labels, and if the label is not in English or contains any of the drug ingredients listed in the FDA Alert, steer clear, as it is an illegal product.

For more answers to questions we’ve received about weight-loss dietary supplements, please visit our Operation Supplement Safety (OPSS) FAQs.

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