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iHerb Blog

A Secret For Younger Looking Skin
A Secret For Younger Looking Skin

During red carpet season, we ogle celebrities at the award ceremonies, examining their skin and hair, along with “who they’re wearing.”

It’s hard not to notice women who have clear, radiant, vibrant-looking skin, which is a sign of good health. While celebrities spend a lot of time improving the appearance of their skin from the outside, the real key to young-looking skin is proper nutrition and healthy habits.

In addition to eating healthfully and exercising, there’s a little-discussed supplement that can help prevent the wrinkling and dryness that contribute to old-looking skin. It’s called hyaluronic acid (HA). HA is a glycosaminoglycan that acts as the intracellular cement or glue of connective tissue. Connective tissue, as the term suggests, serves the function of supporting and binding other tissues. The loose connective tissue holds the skin and internal organs in place, while the fibrous connective tissue includes tendons, ligaments, and cartilage. In essence, hyaluronic acid not only helps to provide the structural framework of connective tissue, it is the actual “glue” that holds our body together.

Maintaining HA in body tissues is an important anti-aging strategy. One of the reasons our skin develops lines and wrinkles is due to the loss of HA. By the time most people reach the age of 70, the HA content in their body has dropped by 80% from when they were 40. After the age of 45 or so, HA levels in the skin begin to plummet.

There is a great deal of evidence that applying HA topically helps prevent wrinkles. But now researchers have discovered that taking hyaluronic acid orally is also beneficial for restoring moisture and youthful suppleness to the skin. Recent clinical studies using oral HA in patients with dry and rough skin have shown that patients given a supplement consisting of purified, bioavailable hyaluronic acid had a significant increase (46%) over baseline values in the moisture content of their...

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Tips to Get Fit

Get pumped up for fitness! In this video sports, technology and fitness vlogger Jeff Rizzo provides tips on how to get fit and stay fit.

He discusses what supplements (protein, BCAAs, protein bars and vitamins) you might want to consider taking as well as other tips and tricks on how to get fit. Plus find out more about various fitness programs, gym memberships, meal prepping, diet tips, fitness trackers and home gym setups.

Mentioned Products:

Optimum Nutrition Gold Standard 100% Whey Protein

Muscle Pharm BCAA 3:1:2

Neocell Super Collagen

Quest Nutrition Cereal Protein Bar

Quest Nutrition Protein Chips

Rise Bar Protein + Bar, Crunchy Carob Chip

Rise Bar Protein Bar, Mint Chip

Choice Organic Teas


Jeff Rizzo is the CEO and founder of RIZKNOWS. He aims to help people find the best deals and discounts on health & fitness, technology, and sports & outdoor products, as well as provide high-quality, concise, and helpful reviews that consumers actually enjoy watching. Visit his YouTube channel here.

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Magnesium For Your Health and Wellness
Magnesium For Your Health and Wellness

This blog post is sponsored by Natural Vitality.

Looking for ways to de-stress? You can "Feel the Calm" with Natural Vitality!

Magnesium provides many mental and physical health benefits.

The human body is a complicated organism that relies on a variety of vitamins, minerals, and other nutrients to run correctly. Unfortunately, the modern diet is lacking many of these essential nutrients. Magnesium is often ignored by people promoting nutritional supplements, but it is actually incredibly important to overall health.

Though it is not talked about often, magnesium is one of the most common minerals in existence. In nature, magnesium often exists as magnesium chloride salts in the ocean or pure magnesium in plant chlorophyll. It is the second most abundant element that is found within human cells, and magnesium is responsible for managing hundreds of biochemical reactions in the human body. As a positive ion, magnesium regulates enzyme systems throughout the human body. This means that magnesium is involved in most of the bodily functions necessary for life.

Magnesium's main role in the human body is to regulate the enzymes that send chemical signals throughout the body. As an enzyme cofactor, magnesium switches enzymes on and tells them to do their work. It is required for the proper function of the ATP molecules that fuel the human body. The presence of magnesium is directly responsible for metabolizing sugar and fat into energy, creating DNA, contracting muscle fibers, building new cells, regulating mineral absorption, and controlling cholesterol storage. Due to its essential role, every organ, bone, and muscle in the human body requires magnesium for proper function, and magnesium levels affect many aspects of health.

One of magnesium's most important jobs is its effect on muscle contractions. Throughout the body, magnesium is responsible for relaxing muscle fibers after they contract. This makes it possible for you to move in certain ways, and it prevents cramps...

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The Radiation-Proof Diet & Supplement Plan
The Radiation-Proof Diet & Supplement Plan

Protect yourself from daily toxins, environmental hazards, and even radiation exposure with this antioxidant-based health regimen.

…There’s no question that potassium iodide is indicated when someone is exposed to significant amounts of nuclear radiation…[However although] potassium iodide prevents radioactive iodine from accumulating in the thyroid gland, it won’t protect against the damaging effects of other radioactive particles.

…[More] common is daily exposure to various forms of low-level radiation. From microwave ovens to airport security scanners, there are radiation sources all around us. And that’s why it makes sense to take a proactive, “whole body armor” approach to protect against the cumulative effects of low-to-moderate radiation exposure.

Rational Recommendations

In addition to the basic healthy regimen that most everyone should follow—a high-potency multivitamin/multimineral; a high-quality greens drink; and a pharmaceutical-grade fish oil—I recommend some specific foods and a few supplements to help protect against background radiation. Useful foods include:

  • Good sources of water-soluble fiber such as pears, oat bran, apples, and legumes.
  • Garlic, onions, eggs, whey protein, and other sulfur-rich foods.
  • Flavonoid-packed fruits including blueberries, blackberries, cherries, and raspberries.
  • Soy foods and sea vegetables.
  • Root vegetables such as carrots, sweet potatoes, and yams that are bursting with beta-carotene.
  • Cruciferous vegetables, especially broccoli, Brussels sprouts, and cabbage.
  • Artichokes, beets, spinach, dandelion greens, and herbs and spices such as turmeric, cinnamon, and mustard.

Antioxidant Supplements:

What to take as for supplements, I recommend taking a flavonoid-rich extract such as green tea, grape seed, Pycnogenol, or Ginkgo biloba at a dosage of at least 100 mg daily, but ideally 300 mg. Flavonoids appear to reduce the formation of clastogenic factors that...

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Stitch In Time
Stitch In Time

Understanding your genetic clock and how to slow it down

For many years, it was thought that cells were immortal if provided an ideal environment. That belief was discarded in the early 1960s when Leonard Hayflick, PhD, observed that human fibroblasts in tissue culture wouldn’t divide more than about 50 times. Hayflick found that if he froze the cells after 20 divisions, they would “remember” that they had 30 doublings left after they thawed.

Researchers also noted that fibroblasts begin looking old as they approach 50 cell divisions. They become larger and accumulate an increased amount of lipofuscin, the pigment responsible for “age spots.” Based on Hayflick’s findings, experts theorized that there is a genetic clock within each cell that determines when old age sets in.

Currently, many researchers in the field are working with what’s known as the “telomere shortening” theory of aging. Telomeres are the end-cap segments of DNA. Each time a cell replicates, a small piece of DNA is removed from the telomere—and the shorter the telomere gets, the more gene expression is affected. The result is cellular aging.

In addition to serving as a clock for aging, the telomere is involved in protecting the end of the chromosome from damage, controlling gene expression, and aiding in the organization of the chromosome. The telomere not only determines the aging of the cell, but also its risk for cancer, Alzheimer’s disease, and other degenerative diseases.

Slowing Down the Clock

The key to extending human lifespan will ultimately involve preserving or restoring telomere length to the DNA. But that technology is decades away. Luckily, there are low-tech ways to help slow down
our genetic clocks right now, including:

A Closer Look

Research has shown that many nutrients help fight telomere shortening, especially B vitamins such as folic acid, vitamin B12, and niacin; zinc; magnesium; and vitamins C and E. The best way to insure adequate intake of these and other nutrients is to take a quality multivitamin/multimineral supplement. Should you take iron in your multi? Unless you have a significant need for iron or are a menstruating woman, do your best to avoid iron supplements. Taking iron has been associated with shorter telomeres. Excess iron can also act to increase free radical activity.

Taking extra vitamin D is a good idea, as well—most experts now recommend at least 2,000 IU daily. In one study, scientists examined the effects of vitamin D on the length of telomeres in the white blood cells of 2,160 women aged 18—79 years. The higher their vitamin D levels, the longer the telomere length.

In terms of aging, there was a five-year difference in telomere length in those with the highest levels of vitamin D compared to those with the lowest levels. Obesity, smoking, and lack of physical activity can shorten telomere length, but researchers found that increasing vitamin D levels overcame these effects. What this five-year difference means is that a 70-year-old woman with higher vitamin D levels would have a biological age of 65 years.

Fish oils are also important to slowing the genetic clock. Higher levels of the omega-3 fatty acids EPA and DHA have been shown to reduce telomere shortening in a long-term study. The recommended dosage of fish oils is based upon providing a daily intake of 1,000 mg EPA and DHA.

Lastly, the flavonoids and polyphenols in grape seed, pine bark (Pycnogenol), and green tea are associated not only with reducing markers of inflammation, but also with preventing telomere shortening in experimental studies. The dosage recommendation for extracts providing at least 90 percent polyphenols is 150—300 mg daily.

The Insulin Angle

But perhaps the biggest cause of premature telomere shortening in North America is resistance to the hormone insulin that occurs in obesity, prediabetes, and type 2 diabetes, as recent studies have documented that insulin resistance is associated with shorter telomeres. Achieving ideal body weight and utilizing strategies to increase the sensitivity of the body cells to insulin is a critical goal to preventing telomere shortening.

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