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Nutrition Information |
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Food Sources That Boost Glutathione Naturally
Copyright � 2004 Priya Shah Glutathione, the body's master antioxidant and detoxifier, is one of the 14 "Superfoods" listed in SuperFoods Rx : Fourteen Foods That Will Change Your Life, co-authored by Dr Steven Pratt. Glutathione levels cannot be increased to a clinically beneficial extent by orally ingesting a single dose of glutathione. (1) This is because glutathione is manufactured inside the cell, from its precursor amino acids, glycine, glutamate and cystine. Hence food sources or supplements that increase glutathione must either provide the precursors of glutathione, or enhance its production by some other means. The manufacture of glutathione in cells is limited by the levels of its sulphur-containing precursor amino acid, cysteine. Cysteine - as a free amino acid - is potentially toxic and is spontaneously catabolized or destroyed in the gastrointestinal tract and blood plasma. However, when it is present as a cysteine-cysteine dipeptide, called cystine, it is more stable than cysteine. Consuming foods rich in sulphur-containing amino acids can help boost glutathione levels. Here are some food sources and dietary supplements that help boost glutathione levels naturally.
It is derived from the amino acid L-Cysteine, and acts as a precursor of glutathione. NAC is quickly metabolized into glutathione once it enters the body. It has been proven in numerous scientific studies and clinical trials, to boost intracellular production of glutathione, and is approved by the FDA for treatment of accetaminophen overdose. Because of glutathione's mucolytic action, NAC (brand name Mucomyst) is commonly used in the treatment of lung diseases like cystic fibrosis, bronchitis and asthma.
Milk thistle is a powerful antioxidant and supports the liver by preventing the depletion of glutathione. Silymarin is the active compound of milk thistle. It is a natural liver detoxifier and protects the liver from many industrial toxins such as carbon tetrachloride, and more common agents like alcohol.
Made naturally in body cells as a by-product of energy release, ALA increases the levels of intra-cellular glutathione, and is a natural antioxidant with free radical scavenging abilities. It has the ability to regenerate oxidized antioxidants like Vitamin C and E and helps to make them more potent. ALA is also known for its ability to enhance glucose uptake and may help prevent the cellular damage accompanying the complications of diabetes. It also has a protective effect in the brain.
Asparagus is a leading source of glutathione. Foods like broccoli (2), avocado and spinach are also known to boost glutathione levels. Raw eggs, garlic and fresh unprocessed meats contain high levels of sulphur-containing amino acids and help to maintain optimal glutathione levels.
Whey protein contains proteins like alpha-lactalbumin which is is rich in sulphur-containing amino acids. Heating or pasteurization destroys the delicate disulphide bonds that give these proteins their bioactivity. Undenatured whey protein is a non-heated product that preserves bioactive amino acids like cystine. It has been shown in numerous scientific studies and clinical trials to optimize glutathione levels.
Treatment of brain cells called astrocytes, with the Indian curry spice, curcumin (turmeric) has been found to increase expression of the glutathione S-transferase and protect neurons exposed to oxidant stress. (3)
Changkil saponins (CKS) isolated from the roots of the Chinese herbal medicine, Platycodon grandiflorum A. DC (Campanulaceae), commonly called Balloon Flower Root or Jie Geng, have been found to increase intracellular glutathione (GSH) content and significantly reduce oxidative injury to liver cells, minimise cell death and lipid peroxidation. (4)
Selenium is a co-factor for the enzyme glutathione peroxidase. Selenium supplements have become popular because some studies suggest they may play a role in decreasing the risk of certain cancers, and in how the immune system and the thyroid gland function. However, too much selenium can cause some toxic effects including gastrointestinal upset, brittle nails, hair loss and mild nerve damage.
References: 1. The systemic availability of oral glutathione 2. Dietary approach to attenuate oxidative stress, hypertension, and inflammation in the cardiovascular system 3. Can Curry Protect Against Alzheimer's? 4. Protective effect of saponins derived from roots of Platycodon grandiflorum on tert-butyl hydroperoxide-induced oxidative hepatotoxicity
This article was first published in the July 2004 issue of The Glutathione Report,� a newsletter featuring regular updates on the health benefits of glutathione. Get a Free report on Glutathione in Health and Disease
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Travel And Tour World Maui County To Phase Out Thousands Of Short-Term Vacation Rentals For Addressing Housing Crisis On Island Travel And Tour World Maui vacation rental conversion bill passes initial vote Honolulu Star-Advertiser Top Vacation Rentals Near Golf Courses Gulf Shores & Orange Beach Tourism ‘More than doubled’: Jacksonville Beach locals blame vacation rentals for rising home costs 104.5 WOKV Maui panel passes bill to curb vacation rentals and boost housing supply after Lahaina wildfire Oskaloosa Herald Main St. request on hold, but ‘Kitschy 2 BR House’ gets vacation rental OK Evanston RoundTable Delicious, home-cooked meals can still be on the menu even in a wonky vacation rental Mainline Media News Inside The ‘Out-Of-Control’ Debate Over Axing Maui Vacation Rentals Honolulu Civil Beat Alders flip on vacation rentals Evanston Now Maui panel passes bill to curb vacation rentals and boost housing supply after Lahaina wildfire Temple Daily Telegram Honolulu Sees Doubling Of Vacation Rental Registrations Under New Rules Honolulu Civil Beat Maui panel passes bill to curb vacation rentals and boost housing supply after Lahaina wildfire The Derrick A novel idea for Maui’s housing crisis: Using vacation rental profits for residents’ down payments Maui Now Deep Wood Vacation Home Rentals Visit PA Maui panel passes bill to curb vacation rentals and boost housing supply after Lahaina wildfire Washington Times Herald Honolulu Hasn't Fined Airbnb, Vrbo for Illegal Short-Term Rentals Honolulu Civil Beat Plan To Convert Maui Vacation Rentals To Long-Term Housing Delayed Honolulu Civil Beat Key amendments proposed for vacation rental phase-out bill ahead of Council committee hearing Maui Now Study: Maui Should Be Cautious In Phasing Out Vacation Rentals Honolulu Civil Beat Vacation Rental Study in Goleta Tells More About the Neighbors The Santa Barbara Independent Cape Coral host fined $30,000 as neighbors report issues with three other rentals on their street Fox4Now.com Maui Council hears another 70 testifiers on vacation rental phase-out bill; still more to come Maui Now Home Team Luxury Rentals Surpasses $50 Million in Airbnb Bookings in Just 12 Months - Without a Single Outside Investor Newswire :) Press Release Distribution Emotions Are High As Maui Considers Phasing Out Short-Term Rentals Honolulu Civil Beat Maui Council To Take Up Bill Phasing Out Vacation Rentals This Summer Honolulu Civil Beat Vacation Rentals of the Desert Accused of Owing Property Owners, Renters Over $1 Million NBC Palm Springs Maui vacation rental bill continues to draw passionate testimony from both sides Hawaii Public Radio Vacation Rentals of the Desert Accused of Owing Millions; Riverside DA Launches Investigation After Public Outcry NBC Palm Springs WA cabin destinations named among seven best tiny rentals in the country Bellingham Herald City has no mercy for illegal vacation rental operators Hawaii News Now Supreme Court: cities cannot limit vacation rentals based on owner occupancy Idaho Public Television Couple who owns Manasota Key vacation rentals welcomes first renters since Hurricanes Helene, Milton FOX 13 Tampa Bay Owners claim Maui residents can’t afford converted vacation rentals, UH study says otherwise Yahoo Home Combatting human trafficking: New training, reporting requirements for hotels, vacation rentals WRAL.com Maui Gets $1.6B—Can Vacation Rentals Survive What’s Coming? Beat of Hawaii Maui's Vacation Rental Debate Turns Ugly Planetizen Community invited to briefing about proposed registration process for short-term vacation rentals Big Island Now Uncertain Economy Contributes to Slow Summer Rental Bookings The Vineyard Gazette Committee votes 5-0 against couple’s vacation rental request advancing Evanston RoundTable With housing and economy at stake, Maui County weighs phase-out of 7,000 vacation rentals Hawaii Public Radio Santa Cruz County moves to rein in vacation rentals Lookout Santa Cruz Hawaiʻi County Council seeks more oversight with passage of vacation rental bill Hawaii Public Radio Board recommends new education programs, property management rules for vacation rentals The Palm Springs Post Aspiring vacation rental hosts in Mission Beach may have a shot at getting a coveted license San Diego Union-Tribune Maui Vacation Rental Fight Drags On While Visitors Wait Beat of Hawaii Housing panel looks at new rules for rent-setting algorithms, vacation rentals - Evanston RoundTable Housing panel looks at new rules for rent-setting algorithms, vacation rentals Evanston RoundTable |
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