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&#xA0;<table style="width: 699px;"><tbody><tr><td style="width: 149px;">Ingredient</td><td style="width: 550px;">Source</td></tr><tr><td style="width: 149px;">Vitamin C&#xA0;</td><td style="width: 550px;">Antioxidant&#xA0;properties; Supports&#xA0;immune health, histamine balance,&#xA0;collagen&#xA0;production, hair, nail and skin health,&#xA0;oxidative stress&#xA0;responses, gene expression, enzyme activity, and more</td></tr><tr><td style="width: 149px;">Quercetin, Luteolin&#xA0;</td><td style="width: 550px;">Antioxidant-like plant compounds that support vitamin C utilization, the normal synthesis and release of histamine, and healthy cellular function and communication</td></tr></tbody></table><ul id="isPasted"><li>Buffered Vitamin CThis form of vitamin C is ideal for those with sensitive stomachs. It is bound to magnesium and calcium to allow for a more gentle delivery of vitamin C.&#x2020;</li><li>Bioflavonoid blendThese antioxidant-like plant compounds support vitamin C utilization. They also support the normal synthesis and release of histamine.&#x2020;</li></ul>What are the ingredients in Vitamin C Powder sourced from?&#xA0;<table border="0" dir="ltr" class="fr-table-selection-hover"><tbody><tr><td class="FirstRow FirstCol AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 51.0057%;">Ingredient&#xA0;</td><td class="FirstRow LastCol AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 48.9943%;">Source&#xA0;</td></tr><tr><td class="FirstCol AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 51.0057%;">Vitamin C &#xA0;</td><td class="LastCol AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 48.9943%;">Corn (no corn allergens remain in final product)&#xA0;</td></tr><tr><td class="FirstCol LastRow AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 51.0057%;">Quercetin, Luteolin &#xA0;</td><td class="LastCol LastRow AdvancedProofingLightMode ContextualSpellingLightMode SpellingErrorLightMode SimilarityReviewedLightMode SimilarityUnreviewedLightMode AddInCritiqueRedLightMode AddInCritiqueGreenLightMode AddInCritiqueBlueLightMode AddInCritiqueLavenderLightMode AddInCritiqueBerryLightMode HighContrastShading SCXW121193757 BCX0" style="width: 48.9943%;">Sophora japonica&#xA0;</td></tr></tbody></table>

Ingredient. Source. Vitamin C. Antioxidant properties; Supports immune health, histamine balance, collagen production, hair, nail and skin health, oxidative stress responses, gene expression, enzyme activity, and more. Quercetin, Luteolin. Antioxidan

What is the purpose of each ingredient in Optimal Vitamin C Powder?

Products

Vitamin C Plus

Discontinued products and replacements

Delivery Methods

Serving Sizes

Delivery Methods and Serving Size

Additional Information (charts,tables,product updates)

Brain Support Comparison Chart†

Glutathione Products Comparison Chart

B12 Comparison Chart

Magnesium Products Comparison Chart

Folate Product Comparison

Histamine Products Comparison Chart

B Complex Comparison Chart

Trace Minerals Complex Comparison Chart

Multivitamin Comparison Chart

Probiotic Comparison Chart

Prenatal Comparison Chart

Product Comparison Charts

Can I open my capsule and take the contents inside? What is the best way to do this?

Other Ingredients and Their Purpose

What is the difference between folic acid, folinic acid, L-methylfolate, and folate?

Why are enzymes not shown in mg amounts (instead in their own unique units of measure)?

What is the Recommended Dietary Allowance (RDA) for vitamins and minerals?

Why is Seeking Health removing the mineral vanadium from products?

What is the difference between Deplin and Seeking Health's methylfolate?

How hot is too hot for liquids, capsules, lozenges, chewables and powders when shipping?

What is the difference between Vitamin K2 as MK-4 and MK-7?

Does Seeking Health utilize the "trans" form of CoQ10?

What is "elemental" amounts of a mineral?

What is the difference between SelenoExcell high selenium yeast and L-Selenomethionine?

What specific strain numbers are in each probiotic?

Does Dr. Lynch have any recommendations for supporting healthy inflammatory responses in skin?

Why doesn't Seeking Health offer spore-based probiotics?

Why can supplementing with methylfolate cause anxiety, restlessness, insomnia, and other related symptoms?

What are the possible side effects for someone who has a dirty MTHFR gene/ gene mutation?

Why does my skin flush after taking products containing niacin (B3), and what can I do about it?

What happens if I accidentally consume the silica gel pack inside my supplement bottle?

When is the best time of day to take my supplement?

Why is the color of my capsule different than the last time I purchased it?

Licorice Root: Good or Bad?

What is the CAL PROP 65 warning label?

Why can't Seeking Health or Dr. Ben Lynch answer my personal health questions?

Why is there a manufacture (“MFG”) date on the bottom of my bottle, and not an expiration date?

Are Seeking Health products tested for yeast and mold?

Can my probiotic be exposed to very hot or cold temperatures?

What does "mcg DFE" mean on my label?

Can my liposomal be exposed to very hot or cold temperatures?

Why did you choose nicotinic acid (niacin) and inositol hexanicotinate instead of niacinamide?

Why don't you use acerola vitamin C vs ascorbic acid?

Do you ship your products internationally?

Does my Seeking Health product contain or increase histamine?

Burning Mouth Syndrome (BMS)

Chlorine Pools and Your Health

Potassium Deficiency

GABA

Red Raspberry Leaf: Safe during pregnancy?

Can one take a non-methylated vitamin long with methylated vitamins?

How Much, How Long, and What Should I Take? A Guide to Navigating Supplement Use

The labeling on my product looks different, have the formulas changed?

My product is missing the outer plastic seal.

Fermentation process for raw materials.

What is the fermentation process for dietary supplements?

Understanding Our 2024 Rebrand: What to Expect with Product Packaging

Support for Amazon Orders

What is the difference between the types of B12?

Why is Methyl B12 with L-Methylfolate pink in color?

Why doesn’t Methyl B12 with L-Methylfolate contain B12 as cyanocobalamin, when other companies’ B12 products do?

Is it safe for someone who does NOT have the MTHFR gene mutation to use Methyl B12 with L-Methylfolate?

What is the percent of purity of L-5-methylfolate in Methyl B12 with L-Methylfolate?

FAQs

Who is Acetyl-L-Carnitine intended for and how to use.

What is the purpose and source of each ingredient in Acetyl-L-Carnitine?

Acetyl-L-Carnitine Suitability and Allergens

Acetyl-L-Carnitine Dr. Lynch Product Q&A

Acetyl-L-Carnitine

Who is Methyl B12 1000 intended for and how to use.

What is the purpose and source of each ingredient in Methyl B12 1000?

Where are the ingredients in Methyl B12 1000 from?

Methyl B12 1000 Dr. Lynch product Q&A

Methyl B12 1000- Product Updates

Methyl B12 1000 Suitability and Allergens

Methyl B12 1000

Who is Methyl B12 5000  intended for and how to use.

What is the purpose and source of each ingredient in Methyl B12 5000 ?

Where are the ingredients in Methyl B12 5000  in from?

Methyl B12 5000 Dr. Lynch Q&A

Methyl B12 5000 Suitability and Allergens

Methyl B12 5000

Who is Methyl B12 with L-Methylfolate lozenge intended for and how to use.

What is the purpose and source of each ingredient in Methyl B12 with L-Methylfolate?

Methyl B12 with L-Methylfolate Dr. Lynch product Q&A

Methyl B12 with L-Methylfolate -Product Updates

Methyl B12 with L-Methylfolate Suitability and Allergens

Methyl B12 with L-Methylfolate

Who is Adeno B12 intended for and how to use.

What is the purpose and source of each ingredient in Adeno B12?

Adeno B12 Dr. Lynch product Q&A

Adeno B12 Suitability and Allergens

Adeno B12

Who is Adrenal Cortex intended for and how to use.

What is the purpose and source of each ingredient in Adrenal Cortex?

Adrenal Cortex FAQ's

Adrenal Cortex Dr. Lynch product Q&A

Adrenal Cortex Suitability and Allergens

Adrenal Cortex

Who is Ashwagandha intended for and how to use.

What is the purpose and source of each ingredient in Ashwagandha?

Dr. Lynch product Q&A

Ashwagandha - Product Updates

Ashwagandha Suitability and Allergens

Ashwagandha

Who is B Complex Plus intended for and how to use.

What is the purpose and source of each ingredient in B Complex Plus?

B Complex Plus Dr. Lynch product Q&A

B Complex Plus- Product Updates

B Complex Plus Suitability and Allergens

B Complex Plus

Who is B Complex MF intended for and how to use.

What is the purpose and source of each ingredient in B Complex MF?

B Complex MF- Product Updates

B Complex MF Suitability and Allergens

B Complex MF

Who is Stress Nutrients intended for and how to use.

What is the purpose and source of each ingredient in Stress Nutrients?

Stress Nutrients- Product updates

Stress Nutrients Suitability and Allergens

Stress Nutrients Dr. Lynch Q&A

Stress Nutrients

Who is B-Minus intended for and how to use.

What is the purpose and source of each ingredient in B-Minus?

B Minus Dr. Lynch product Q&A

B Minus- Product Updates

B Minus Suitability and Allergens

B-Minus

Who is Brain Nutrients intended for and how to use.

What is the purpose and source of each ingredient in Brain Nutrients?

Brain Nutrients Dr. Lynch product Q&A

Brain Nutrients Suitability and Allergens

Brain Nutrients

Who is Calcium D-Glucarate intended for and how to use.

What is the purpose and source of each ingredient in Calcium D-Glucarate?

Calcium D-Glucarate Dr. Lynch product Q&A

Calcium D- Glucarate Suitability and Allergens

Calcium D-Glucarate

Who is Digestive Enzymes Chewable intended for and how to use.

What is the purpose and source of each ingredient in Digestive Enzymes Chewable?

Digestive Enzymes Chewable Dr. Lynch product Q&A

Digestive Enzymes Chewable - Product Updates

Digestive Enzymes Chewable Suitability and Allergens

Digestive Enzymes Chewable

Who is Digestive Enzymes intended for and how to use.

What is the purpose and source of each ingredient in Digestive Enzymes?

Digestive Enzymes Dr. Lynch product Q&A

Digestive Enzymes Capsules- Product Updates

Digestive Enzymes Capsules Suitability and Allergens

Digestive Enzymes Capsules

Who is DIM + I3C intended for and how to use.

What is the purpose and source of each ingredient in DIM + I3C?

DIM + I3CDr. Lynch product Q&A

DIM+I3C- Product Updates

DIM+I3C Suitability and Allergens

DIM + I3C

Who is Dopamine Nutrients intended for and how to use.

What is the purpose and source of each ingredient in Dopamine Nutrients?

Dopamine Nutrients Dr. Lynch product Q&A

Dopamine Nutrients Suitability and Allergens

Dopamine Nutrients

Who is Folinic Acid intended for for and how to use.

What is the purpose and source of each ingredient in Folinic Acid?

Folinic Acid Suitability and Allergens

Folinic Acid Dr. Lynch Product Q&A

Folinic Acid

Who is Bile Nutrients intended for and how to use.

What is the purpose and source of each ingredient in Bile Nutrients?

Bile NutrientsDr. Lynch product Q&A

Bile Nutrients - Product Updates

Bile Nutrients Suitability and Allergens

Bile Nutrients (formerly Gallbladder Nutrients)

Who is DAO Enzyme™ intended for and how to use?

What is the purpose of each ingredient in Histamine Digest™ soon DAO Enzyme?

Could you please explain why a recent research paper found your products contain no active DAO?

What are the active ingredients in Histamine Digest™  soon DAO Enzyme sourced from?

How are the pigs raised that provide the porcine protein concentrate in Histamine Digest™  soon DAO Enzyme?

Ingredient	Source
Vitamin C	Antioxidant properties; Supports immune health, histamine balance, collagen production, hair, nail and skin health, oxidative stress responses, gene expression, enzyme activity, and more
Quercetin, Luteolin	Antioxidant-like plant compounds that support vitamin C utilization, the normal synthesis and release of histamine, and healthy cellular function and communication

What is the purpose and source of each ingredient in Vitamin C Powder?Updated 11 hours ago