Best Source Naturals in 2026

FOR DAILY IMMUNE SYSTEM SUPPORT. With over 30 powerful ingredients, including antioxidants, herbal extracts, vitamins and minerals. These ingredients provide targeted support for all of the body systems associated with immunity.

SUGGESTED USE. Take 4 to 6 capsules a day to maintain a state of wellness. If your immune system needs added support, unlock the power of Wellness Formula with 6 capsules every 3 hours. Do not exceed 24 capsules a day for a maximum of 7 consecutive days.

A WELL MADE SUPPLEMENT. delivers high-potency vitamin C, plus more than 30 other vitamins, minerals and time-tested herbs to support your body's natural defenses. This product contains soy.

FOR DAILY IMMUNE SYSTEM SUPPORT. With over 30 powerful ingredients, including antioxidants, herbal extracts, vitamins and minerals. These ingredients provide targeted support for all of the body systems associated with immunity.

SUGGESTED USE. Take 4 to 6 capsules a day to maintain a state of wellness. If your immune system needs added support, unlock the power of Wellness Formula with 6 capsules every 3 hours. Do not exceed 24 capsules a day for a maximum of 7 consecutive days.

A WELL MADE SUPPLEMENT. delivers high-potency vitamin C, plus more than 30 other vitamins, minerals and time-tested herbs to support your body's natural defenses. This product contains soy.

TRUSTED PREMIUM SOLUTION - 35 years ago, Wellness Formula established the industry’s immune health category with a comprehensive blend of herbs, vitamins, and nutraceuticals that deliver immune, respiratory, and antioxidant defense. For millions of people Wellness Formula has become the “go-to” product for everyday immune support. Whether you are prone to sickness and striving to avoid sick days or someone already actively using supplements, Wellness Formula adds defense like no other.

POWERFUL ANTIOXIDANT DEFENSE - Antioxidants are a critical component of immune health, as they prevent free radicals from being formed or from causing damage to our immune system protecting white blood cells. Wellness Formula provides key antioxidants such as vitamin C, vitamin A, beta-Carotene and grapeseed to provide antioxidant defense, as well as clinical doses of zinc and copper which are both important ingredients that defend against superoxide radicals.

NATURAL STRESS RESPONSE - As emotional and physiological stresses can significantly impact our immune system, Wellness Formula includes eleutherococcus and astragalus which are adaptogens that support the bodies’ response to stress and fuel the immune system. Wellness Formula provides your body the defense to keep you able to meet stressful deadlines, run a busy household or travel the world!

TRUSTED PREMIUM SOLUTION - 35 years ago, Wellness Formula established the industry’s immune health category with a comprehensive blend of herbs, vitamins, and nutraceuticals that deliver immune, respiratory, and antioxidant defense. For millions of people from Broadway to Hollywood and everywhere in between, Wellness Formula has become the “go-to” product for everyday immune support. Whether you are striving to avoid sick days or an athlete looking to add to your performance regime, prone to sic

POWERFUL ANTIOXIDANT DEFENSE - Antioxidants are a critical component of immune health, as they prevent free radicals from being formed or from causing damage to our immune system protecting white blood cells. Wellness Formula provides key antioxidants such as vitamin C, vitamin A, beta-Carotene and grapeseed to provide antioxidant defense, as well as clinical doses of zinc and copper which are both important ingredients that defend against superoxide radicals.

NATURAL STRESS RESPONSE - As emotional and physiological stresses can significantly impact our immune system, Wellness Formula includes eleutherococcus and astragalus which are adaptogens that support the bodies’ response to stress and fuel the immune system. Wellness Formula provides your body the defense to keep you able to meet stressful deadlines, run a busy household or travel the world!

ESSENTIAL ENZYMES BENEFITS. Expertly formulated compilation of digestive enzymes that break down multiple food groups: carbohydrates, protein, fat and fiber.

HOW ESSENTIAL ENZYMES WORK. It aids the body’s natural digestive process and helps maximize the body’s utilization of the nutrients in the diet by helping to break down foods into smaller components that can be absorbed.

SUGGESTED USE. 1 capsule with water at the beginning of each meal (or open capsule and sprinkle over food). Do not sprinkle on hot food. Do not exceed 6 capsules per day.

DIGESTIVE AID. t aids the body’s natural digestive process, helping to maximize the body’s utilization of the nutrients in the diet while supporting digestive comfort.

240 CAPSULES. 1 capsule with water at the beginning of each meal. Do not exceed 6 capsules per day. This is over 1 months supply.

ESSENTIAL ENZYMES. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor, or fragrance.

ZINC MONOMETHIONINE BENEFITS. Source Naturals OptiZinc is zinc monomethionine, a patented combination of zinc and the essential amino acid methionine. Research shows this formulation makes zinc more absorbable than other zinc compounds and therefore more readily available for the body’s needs

WHY IS ZINC IMPORTANT? Zinc is a trace mineral that plays many important roles in health: it supports skin health and wound-healing; it is essential for carbohydrate metabolism; it’s necessary for over 100 different enzyme systems, for proper vision, growth, skeletal integrity, tissue repair, sexual maturity; and it is an important antioxidant.

SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.

ESSENTIAL ENZYMES BENEFITS. Expertly formulated compilation of digestive enzymes that break down multiple food groups: carbohydrates, protein, fat and fiber.

HOW ESSENTIAL ENZYMES WORK. It aids the body’s natural digestive process and helps maximize the body’s utilization of the nutrients in the diet by helping to break down foods into smaller components that can be absorbed.

SUGGESTED USE. 1 capsule with water at the beginning of each meal (or open capsule and sprinkle over food). Do not sprinkle on hot food. Do not exceed 6 capsules per day.

Magnesium is one of the essential minerals that your body requires to work at its best by helping your body absorb the calcium it needs.

Magnesium Malate supports energy production, healthy metabolism and promotes healthy nervous function.

Malic Acid readily crosses the blood-brain-barrier and has been shown to bind to aluminum.

Rapid Response Immune Support - Wellness Herbal provides an herbal alternative for immune support in a convenient delivery form. Together, the ingredients in this rapid response formula work to provide immune support, allowing it to carry out its normal functions in order to help maintain a state of wellness.

Powerful Resilience - Wellness Herbal is a powerful daytime combination of herbs designed to help support a healthy system response, boost the immune system and zap those colds, viruses or infections.

Chinese Herbs - Wellness Herbal is formulated based on the valued Chinese herbal complex yin chiao which has been used for hundreds of years to support immune function and upper respiratory health.

ZINC MONOMETHIONINE BENEFITS. Source Naturals OptiZinc is zinc monomethionine, a patented combination of zinc and the essential amino acid methionine. Research shows this formulation makes zinc more absorbable than other zinc compounds and therefore more readily available for the body’s needs.

WHY IS ZINC IMPORTANT? Zinc is a trace mineral that plays many important roles in health: it supports skin health and wound-healing; it is essential for carbohydrate metabolism; it’s necessary for over 100 different enzyme systems, for proper vision, growth, skeletal integrity, tissue repair, sexual maturity; and it is an important antioxidant.

SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.

Magnesium is one of the essential minerals that your body requires to work at its best by helping your body absorb the calcium it needs.

Magnesium Malate supports energy production, healthy metabolism and promotes healthy nervous function.

Suggested Use: 1 to 3 tablets daily with meals.

TRUSTED PREMIUM SOLUTION - 35 years ago, Wellness Formula established the industry’s immune health category with a comprehensive blend of herbs, vitamins, and nutraceuticals that deliver immune, respiratory, and antioxidant defense. For millions of people Wellness Formula has become the “go-to” product for everyday immune support. Whether you are prone to sickness and striving to avoid sick days or someone already actively using supplements, Wellness Formula adds defense like no other.

POWERFUL ANTIOXIDANT DEFENSE - Antioxidants are a critical component of immune health, as they prevent free radicals from being formed or from causing damage to our immune system protecting white blood cells. Wellness Formula provides key antioxidants such as vitamin C, vitamin A, beta-Carotene and grapeseed to provide antioxidant defense, as well as clinical doses of zinc and copper which are both important ingredients that defend against superoxide radicals.

NATURAL STRESS RESPONSE - As emotional and physiological stresses can significantly impact our immune system, Wellness Formula includes eleutherococcus and astragalus which are adaptogens that support the bodies’ response to stress and fuel the immune system. Wellness Formula provides your body the defense to keep you able to meet stressful deadlines, run a busy household or travel the world!

Vitamin B-2 Benefits. These enzymes are important in energy production, and are essential for normal fatty acid and amino acid synthesis.

Suggested Use. 1 tablet daily.

Suitable For Vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Magnesium is one of the essential minerals.*

Suggested Use: Take 2 to 6 Capsules daily with meals.

Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.

May help reduce restlessness , promote relaxation, and improve sleep quality.

Suggested Use: 1 capsule daily.

Allergies: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Magnesium (Mg) plays an essential role in supporting cognitive function and brain health.

Magtein - Magnesium L-Threonate combines all of the benefits of magnesium with malic acid.

667 mg Capsules

Magnesium is one of the essential minerals that your body requires to work at its best by helping your body absorb the calcium it needs.

Magnesium Malate supports energy production, healthy metabolism and promotes healthy nervous function.

Malic Acid readily crosses the blood-brain-barrier and has been shown to bind to aluminum.

This supplement contains L-Theanine, Gaba and Magnesium

The suggested use is to take 2 tablets daily

This formula is suitable for vegetarians

ESSENTIAL ENZYMES BENEFITS. Expertly formulated compilation of digestive enzymes that break down multiple food groups: carbohydrates, protein, fat and fiber.

HOW ESSENTIAL ENZYMES WORK. It aids the body’s natural digestive process and helps maximize the body’s utilization of the nutrients in the diet by helping to break down foods into smaller components that can be absorbed.

SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.

SUPPORTS COLLAGEN AND ENERGY. L-Lysine is crucial for the formation of collagen, a major part of the body's connective tissues. L-Lysine also contributes to energy production when converted to acetyl coenzyme A, one of the principal fuels for the Krebs cycle.

SUGGESTED USE. 1 to 2 capsules daily.

HYPOALLERGENIC. contains no yeast, dairy, egg, gluten, corn, soy, or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor, or fragrance.

ZINC BENEFITS. It's a trace element which is essential for normal growth, development of the reproductive organs, normal functioning of the prostate gland, healing of wounds and the manufacturing of proteins and nucleic acids (the building blocks for RNA and DNA). It is also necessary for over 100 different enzyme systems in the body.

SUGGESTED USE. 1 tablet daily. Do not exceed suggested use.

SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Provides omega-3, omega-6, and omega-9 essential fatty acids

EFA's play a role in blood pressure maintenance, sustaining healthy skin, and providing nutritional support during women's cycles

Helps regulate cellular function

D-GLUCARATE BENEFITS. Includes the patented compound glucarate which has been shown to enhance the major detoxification pathways in the body

SUITABLE FOR VEGETARIANS. It also contains no sugar, salt, yeast, dairy, egg, or soy, preservatives, or artificial color, flavor or fragrances.

PACKED WITH ADDITIONAL BENEFITS. One 500mg tablet of Source Naturals Calcium D-Glucarate is equivalent to the phytonutrient activity found in 82 pounds of fresh fruits and vegetables

OVER-ALL WELLNESS - One of the most complete multivitamins on the market packed with over 40 ingredients, including all 13 essential vitamins, minerals, and nutrients for preventative health as well as daily support, yet without the iron. Life Force supports healthy cognitive, heart, and cellular functions, in addition to ingredients that help maintain healthy skin and bones, metabolism, and immune function.

THE VERY BEST FOR YOUR BODY - Life Force Iron Free delivers a range of antioxidants and cofactors with ingredients like Co-Q10, turmeric, resveratrol, lipoic acid, green tea, ginkgo, grape seed, lutein, lycopene, astaxanthin and MSM. Combining them with high potencies of essential vitamins and minerals, including the Co-Enzymated form of riboflavin (vitamin B-6), the gamma and tocotrienol forms of vitamin E, and the fat-soluble form of vitamin C, makes our formula a standout.

ENERGY CONVERSION - Life Force Iron Free contains magnesium, which is involved in protein synthesis and ATP production. Coenzyme Q10, a crucial component in the cellular energy production cycle. Riboflavin, a cofactor for several mitochondrial enzymes. Niacin is required for the production of energy from foods and nutrients. Alpha-lipoic acid is an essential cofactor for mitochondrial bioenergetics enzymes, which helps convert food into functional energy for the body.

Imbalances of the urinary tract are widespread, and it is estimated that 20 percent of women will experience them. Source Naturals D-Mannose supports the health of the entire urinary tract: the urethra, bladder, ureter, renal pelvis and the renal parenchyma.

Suggested Use: 1 capsule twice daily.

Well Made Supplement: Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.

MSM serves as an important source of bioavailable dietary sulfur, a mineral that plays a critical role in maintaining the integrity and elasticity of connective and other tissues. It is an important component of proteins found throughout the body, such as in hair, nails, skin and tendons.

Suggested Use: 1/2 teaspoon daily, briskly stirred or blended with 8 ounces of water or juice.

Well Made Supplement: Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance

Ultimate Digestive Support. Activated charcoal is used within the digestive tract. This charcoal has been treated to increase its ability to adsorb (attract and hold to its surface) gases, liquids, and dissolved substances.

Suggested Use. 2 capsules, preferably after meals, up to 3 times daily, at first sign of internal imbalance. Take for no more than 3 consecutive days.

Well Made Supplement. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

HUPERZINE A is a natural compound extracted from the Chinese club moss Huperzia serrata.

FOR LEARNING AND MEMORY. Worldwide studies have shown that Huperzine A supports learning and memory by protecting acetylcholine, a neurotransmitter that acts as a messenger molecule in the brain.

FOR LONG TERM AND SHORT TERM MEMORY. Huperzine A may be used for both short-term "brain boost" needs, such as preparing for a test, as well as more long-term needs, such as reducing the mild memory loss associated with normal aging.

TRUSTED PREMIUM SOLUTION - 35 years ago, Wellness Formula established the industry’s immune health category with a comprehensive blend of herbs, vitamins, and nutraceuticals that deliver immune, respiratory, and antioxidant defense. For millions of people from Broadway to Hollywood and everywhere in between, Wellness Formula has become the “go-to” product for everyday immune support. Whether you are striving to avoid sick days or an athlete looking to add to your performance regime, prone to sickness or someone already actively using supplements, Wellness Formula adds defense like no other.

POWERFUL ANTIOXIDANT DEFENSE - Antioxidants are a critical component of immune health, as they prevent free radicals from being formed or from causing damage to our immune system protecting white blood cells. Wellness Formula provides key antioxidants such as vitamin C, vitamin A, beta-Carotene and grapeseed to provide antioxidant defense, as well as clinical doses of zinc and copper which are both important ingredients that defend against superoxide radicals.

NATURAL STRESS RESPONSE - As emotional and physiological stresses can significantly impact our immune system, Wellness Formula includes eleutherococcus and astragalus which are adaptogens that support the bodies’ response to stress and fuel the immune system. Wellness Formula provides your body the defense to keep you able to meet stressful deadlines, run a busy household or travel the world!