Source Naturals supplements, vitamins, herbs, and dietary products by Ray Sahelian, M.D.'s research staff
February 24, 2016

Source Naturals supplement company was founded in 1982. Source Naturals has hundreds of formulas including Wellness Formula, which is a popular immune support product. Other best-selling formulas Source Naturals products include Positive Thoughts, Liver Guard, and Mental Edge. Source Naturals is located in Scotts Valley, CA.


Amino Acids
   Source Naturals, L-Tryptophan, 500 mg, 60 Capsules


Blood Sugar Support

Bone Support

Brain Nutrition

Cellular Immune Support

Children’s Health

Coenzymes and Co-Q10

Digestion, Enzymes & Probiotics


Essential Fatty Acids

Eye Health

The following is a partial list of Source Naturals supplements products and some of the promotional material that accompany it, written by the company staff:


Acidophilus probiotic bacteria.
Alpha Lipoic Acid, 600 mg Capsules! The Energizing, Cleansing Antioxidant
Source Naturals AHCC supplement.
Bee-Pollen supplement for more energy.
Beta-Glucan supplement contains polysaccharides.
Source Naturals Bioperine is a pepper extract that is patented.
Triple Boron - Triple Boron by Source Naturals became available in 2006. Source Naturals claims, "This trace mineral is excellent for strengthening bones and bone mineral density, and also promotes healthy brain and cognitive function.
Source Naturals Vitamin-B-Coenzyme.
Calcium Hydroxyapatite High Absorption Bone Builder This is a superior, more bioactive, natural form of calcium that: Builds strong, rigid bone mass, Contains vitamin D for greater absorption, Provides natural trace minerals for bone strength.

DMG supplement

Enada NADH - Source Naturals NADH is now available once again in three potencies: 2.5 mg and 5.0 mg enteric coated and our 10 mg Sublingual – a fast-acting consumer favorite. ATP is the primary energy molecule in our cells, and NADH supplies energy to the brain, nerves, muscles, heart and every other organ in the body, for peak performance and energy.

Ester C
Source Naturals supplement Garlic


SourceNaturals GPLC - Source Natural released a new product in 2008 called GlycoCarn which is Glycine Propionyl-L Carnitine also known as GPLC. The company claims GPLC is better than other forms of Carnitine because it more efficiently supports the Krebs cycle. It draws more energy from the process of fat metabolism which gets more difficult for the body to do as we age. The amino acid glycine also provides an additional source of energy.
   Note: As of 2013, we have not seen human research with GPLC.
Source Naturals Glucosamine Sulfate is used for joint health support.
Gymnema Sylvestre  is a traditional Ayurvedic botanical used for centuries in India, and new scientific research is now supporting it’s use in helping to maintain balanced blood sugar levels. Source Naturals now makes available a new ultra potency 550 mg. extract.
Loquat - You can breathe easy now, Loquat Respiratory Syrup is here! Used by Chinese Herbalists since 500 A.D., Loquat has been used in classic formulas to support the lungs and soothe the throat. This excellent Planetary Herbals formula also contains slippery elm and wild cherry! Loquat Respiratory Syrup.
Source Natural melatonin 1 mg, 3 mg
Q. I was wondering if Source Natural's Melatonin products are synthetic or natural. I can't find any information on the source of their melatonin products. In particular, I just need to know where the melatonin comes from (a lab or the pineal gland of an animal).
   A. The Source Naturals melatonin is synthetic and does not come from the pineal gland of any animal.

Meriva Turmeric complex
In a previous three-month study of Meriva, a proprietary curcumin-phosphatidylcholine phytosome complex, decreased joint pain and improvement in joint function were observed in 50 osteoarthritis (OA) patients. The long-term efficacy and safety of Meriva were investigated in a longer (eight months) study involving 100 OA patients. Significant improvements of both the clinical and biochemical end points were observed for Meriva compared to the control group. Altern Med Rev. 2010 Dec. Efficacy and safety of Meriva, a curcumin-phosphatidylcholine complex, during extended administration in osteoarthritis patients.Appendino G, Belcaro G, Cesarone MR, Dugall M, Pellegrini L, Ledda A, Grossi MG, Togni S. Dipartimento di Scienze Chimiche, Alimentari, Farmaceutiche e Farmacologiche, Universita del Piemonte Orientale, Novara, Italy. Correspondence address: Universita del Piemonte Orientale, Dipartimento di Scienze Chimiche Alimentari, Farmaceutiche e Farmacologiche, Via Bovio, 6 - 28100 Novara, Italy.


Curcumin, the accompanying curcuminoids desmethoxycurcumin and bisdesmethoxycurcumin, and the metabolites tetrahydrocurcumin, hexahydrocurcumin, curcumin glucuronide and curcumin sulfate were identified in plasma, intestinal mucosa and liver of rats which had received Meriva. Peak plasma levels and area under the plasma concentration time curve (AUC) values for parent curcumin after administration of Meriva were fivefold higher than the equivalent values seen after unformulated curcumin. Cancer Chemother Pharmacol. 2007 Jul;. Comparison of systemic availability of curcumin with that of curcumin formulated with phosphatidylcholine. Marczylo TH, Verschoyle RD, Cooke DN, Morazzoni P, Steward WP, Gescher AJ. Cancer Biomarkers and Prevention Group, Department of Cancer Studies and Molecular Medicine, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester, LE2 7LX, UK.

NADH 20 mg is promoted for energy and mental alertness. The company claims that NADH 20 mg helps relieve drowsiness and restores alertness and energy, supplies ATP energy to the brain, nerves, muscles, heart, and provides powerful support for body’s metabolic processes.
Phosphatidyl Serine 100 and Phosphatidyl Serine 150 support cognitive function . Suitable for vegetarians. Phosphatidylserine (PS) is one of the key human brain phospholipids. PS is essential for normal neuron structure and function. PS, along with other essential fatty acids, may also play a critical role in cognitive function, including maintaining concentration and memory.
Pancreatin Power is a formulation of Pancreatin 10X proteases, lipases and amylases which support systemic functions in the bloodstream by metabolizing proteins, lipids and saccharides.
Policosanol - natural policosanol source
Source Naturals line Red Wine Extract provides the heart-health benefits of red wine without the alcohol, sulfites and headaches. This product is enhanced with additional antioxidants such as Green Tea, Grape seed extract, Grape skin extract, quercetin as well as resveratrol from Hu zhang extract.
Korean pine nuts are a rich source of pinolenic acid, which may increase concentrations of the satiety hormones glucogon-like peptide-1 (GLP-1) and cholecystokinin (CCK). A small-scale study suggests that Source Naturals PineSlim, containing PinnoThin may reduce feelings of hunger by increasing concentrations of appetite-suppressing hormones.
Source Naturals Red Yeast Rice
Serrapeptase is an excellent enzyme for naturally easing minor pain and inflammation, while also supporting cardiovascular and arterial health. Another fine addition to the outstanding selection of enzyme products from Source Naturals!

Vitamin D continues to make the news, and Source Naturals continues to expand its wide variety of forms and potencies. In addition to the 400 IU, 1000 IU and 2000 IU tabs, and 2000 IU capsules and soft gels, the liquid form is now available in 1 oz, 2 oz, and 4 oz forms. Acts as a critical hormone precursor that supports the immune system. Regulates the health of at least 20 different tissues, including brain and joints. Plays an integral role in regulating cell growth, insulin levels and bone formation. The body’s ability to make vitamin D declines with age.
Source Naturals TMG
Vitamin D-3 Cell, Bone and Immune Health Now in Convenient Liquid and High Potency 5000 IU Capsules! Our modern, indoor lifestyles and concerns over sun exposure are leading to widespread deficiencies in vitamin D-3 (the “sunshine vitamin”). Some 50% of Americans may need to supplement with vitamin D. Researchers believe current RDA’s are too low, leading Source Naturals to launch our 1000 IU, 2000 IU and 5000 IU potencies.

Yerba Mate


Source Naturals new products press releases
May 2007 - NK-3 with selenium and NK-3 with vitamin C, Each contains RBAC – rice bran arabinoxylan compound.
NK-3 activates macrophages, T-cells, and NK cells, which are the crucial chemical messengers that activate the body’s. NK-3 Immune.
May 2007 - Source Naturals has released a new diet product for weight loss. Inflama-Trim. Inflam-Trim is promoted for weight loss. Caution is advised for those taking weight loss pills if there are too many stimulants in the product.

December 2007 - Source Naturals Ubiquinol CoQH bundles all the great benefits of the powerful antioxidant CoQ10
into a superior form that enhances absorption into the body and increases blood serum levels.
December 2007 - Source Naturals now introduces two of the most absorbable forms of magnesium available. Magnesium Bis-Glycinate and Magnesium Citrate in capsule form.
December 2007 - Source Naturals now makes available Pine Bark Extract rich in proanthocyanidins,
September 2009 - Wellness Easy Breathe Syrup made from the African geranium, Pelargonium sidoides, which was used for centuries in Africa and brought to Europe in the 19th century. It is now being rediscovered for its immune properties. Supports upper respiratory health Boosts the body’s natural immune defenses• African geranium root extract used for centuries for respiratory support Wellness Easy Breathe(.

Source Naturals Products Availability
Source Naturals products are sold in health food stores and on many web sites. Physician Formulas is an ecommerce website that sells hundreds of high quality supplements from various manufacturers. Their shipping is reliable and fast, and they carry dozens of Source Naturals products.

Natural vitamin source
Source Naturals supplement company attempts to have its phytonutrients from natural vitamin sources.


Q. Dr. Ray Sahelian's supplements are stated as being 'high quality' but I notice other supplements are mentioned on Ray Sahelian web site, not just the "Rx" brand. One such example is Source Naturals. There are others. Are all these other brands high quality. I have heard of Source Naturals and thought it was just one of those mediocre brands on the market, nothing outstanding.
   A. Ray Sahelian web site mentions products from many companies. He has formulated about 50 products for Physician Formulas. Source Naturals is a respectable company with good quality control.


Q. Can you tell me the minimum molecular weight of the hyaluronic Acid found in the Source Naturals "Injuv" softgels?
   A. You may wish to contact Source Naturals directly for the answer.


Q. What is your opinion regarding Source Naturals Coenzyme Q10 available in 400 mg Softgels. It is being promoted for antioxidant and cellular energizer for heart, brain, immunity and liver. Source Naturals claims it is one of the highest potency Coenzyme Q10 products available.
   A. Some people feel more fatigued when then take a very high amount of CoQ10 since it may interfere with sleep. We don't think it is necessary to take more than 50 to 100 mg a day.


Q. I received an email promotion of Slenderluma by Source Naturals. It said, "Source Naturals brings you the latest
in healthy weight management - Slenderluma ™ - Natural Appetite Suppressant with Caralluma
Naturally suppresses appetite
Available in vegetarian capsules
Not a stimulant
Reduces food cravings
Slenderluma Sell Sheet.
   What is your opinion of this Source Natural Slenderluma product?
   A. I have not had a chance to test caralluma supplements with patients to see if they are effective for weight loss.


Q. What do you think of Alpha Lipoic Acid 600 mg Timed Release by Source Naturals. The promotion states, Alpha lipoic acid a the Universal Antioxidant. Potent scavenger of free radicals; water and fat soluble for whole body benefits. Increases energy production in the cells. Supports healthy blood sugar levels and insulin efficiency. Promotes healthy liver, nerve function and eye health. Is alpha lipoic acid 600 mg a high dose?
   A. Yes, Source Naturals alpha lipoic acid 600 mg is a very high dose and could cause side effects such as heart rhythm disturbances.