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<td style="width: 50%; height: 22px;"><strong>Ingredient</strong></td>
<td style="width: 50%; height: 22px;"><strong>Source</strong></td>
</tr>
<tr style="height: 22px;">
<td style="width: 50%; height: 22px;">Riboflavin</td>
<td style="width: 50%; height: 22px;">Synthetic</td>
</tr>
</tbody>
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What are the ingredients in Riboflavin sourced from?

Products

Riboflavin

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

FAQs

Who is Acetyl-L-Carnitine intended for?

How do I use Acetyl-L-Carnitine?

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

What are the ingredients in Acetyl-L-Carnitine sourced from?

Does Acetyl-L-Carnitine contain gluten or grains?

Is Acetyl-L-Carnitine free from GMOs?

Are there any warnings or side effects when using Acetyl-L-Carnitine?

Acetyl-L-Carnitine Suitability and Allergens

Acetyl-L-Carnitine

Who is Methyl B12 1000 intended for?

How do I use Methyl B12 1000?

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

What are the ingredients in Methyl B12 1000 sourced from?

Does Methyl B12 1000 contain gluten or grains?

Is Methyl B12 1000 free from GMOs?

Are there any warnings or side effects when using Methyl B12 1000?

Where are the ingredients in Methyl B12 1000 from?

Methyl B12 1000- Product Updates

Methyl B12 1000 Suitability and Allergens

Methyl B12 1000

Who is Methyl B12 5000  intended for?

How do I take Methyl B12 5000 ?

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

What are the ingredients in Methyl B12 5000  sourced from?

Does Methyl B12 5000  contain corn, gluten or grains?

Is Methyl B12 5000  free from GMOs?

Are there any warnings or side effects when using Methyl B12 5000 ?

Where are the ingredients in Methyl B12 5000  in from?

Methyl B12 5000 Suitability and Allergens

Methyl B12 5000

Who is Methyl B12 with L-Methylfolate lozenge intended for?

How do I use Methyl B12 with L-Methylfolate?

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

What are the ingredients in Methyl B12 with L-Methylfolate sourced from?

Does Methyl B12 with L-Methylfolate contain gluten or grains?

Is Methyl B12 with L-Methylfolate free from GMOs?

Are there any warnings or side effects of using Methyl B12 with L-Methylfolate ?

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?

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?

How do I use Adeno B12?

What is the purpose of each ingredient in Adeno B12?

What are the ingredients in Adeno B12 sourced from?

Does Adeno B12 contain gluten or grains?

Is Adeno B12 free from GMOs?

Are there any warnings or side effects when using Adeno B12?

Adeno B12 Suitability and Allergens

Adeno B12

Who is Adrenal Cortex intended for?

How do I use Adrenal Cortex?

What is the purpose of each ingredient in Adrenal Cortex?

What are the ingredients in Adrenal Cortex sourced from?

Does Adrenal Cortex contain gluten or grains?

Is Adrenal Cortex free from GMOs?

Are there any warnings or side effects when using Adrenal Cortex?

Why is Adrenal Cortex NOT suitable for vegetarians or vegans?

Under what conditions are the cows raised for Adrenal Cortex?

Are the hormones from the bovine cortex in Adrenal Cortex removed?

Is Adrenal Cortex considered cortex only, or glandular?

Adrenal Cortex Suitability and Allergens

Adrenal Cortex

Who is Stress Nutrients intended for?

How do I use Stress Nutrients?

What is the purpose of each ingredient in Stress Nutrients?

What are the ingredients in Stress Nutrients sourced from?

Does Stress Nutrients contain corn, gluten or grains?

Is Stress Nutrients free from GMOs?

Are there any warnings or side effects when using Stress Nutrients?

Stress Nutrients- Product updates

Stress Nutrients Suitability and Allergens

Stress Nutrients

Who is Ashwagandha intended for?

How do I use Ashwagandha?

What is the purpose of each ingredient in Ashwagandha?

What are the ingredients in Ashwagandha sourced from?

Does Ashwagandha contain gluten or grains?

Is Ashwagandha free from GMOs?

Are there any warnings or side effects when using Ashwagandha?

Ashwagandha - Product Updates

Ashwagandha Suitability and Allergens

Ashwagandha

Who is B Complex Plus intended for?

How do I use B Complex Plus?

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

What are the ingredients in B Complex Plus sourced from?

Does B Complex Plus contain corn, yeast, gluten or grains?

Is B Complex Plus free from GMOs?

Are there any warnings or side effects when using B Complex Plus?

B Complex Plus- Product Updates

B Complex Plus Suitability and Allergens

B Complex Plus

Who is B Complex MF intended for?

How do I use B Complex MF?

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

What are the ingredients in B Complex MF sourced from?

Does B Complex MF contain corn, gluten or grains?

Does B Complex MF contain GMOs?

Are there any warnings or side effects when using B Complex MF?

B Complex MF- Product Updates

B Complex MF Suitability and Allergens

B Complex MF

Who is B-Minus intended for?

How do I use B-Minus?

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

What are the ingredients in B-Minus sourced from?

Does B-Minus contain corn, gluten, yeast or grains?

Is B-Minus free from GMOs?

Are there any warnings or side effects when using B-Minus?

B Minus- Product Updates

B Minus Suitability and Allergens

B-Minus

Who is Brain Nutrients intended for?

How do I use Brain Nutrients?

What is the purpose of each ingredient in Brain Nutrients?

Why is Brain Nutrients NOT suitable for vegans?

Are there any warnings or side effects when using Brain Nutrients?

Is Brain Nutrients free from GMO's?

Does Brain Nutrients contain gluten or grains?

What are the ingredients in Brain Nutrients sourced from?

Brain Nutrients Suitability and Allergens

Brain Nutrients

Who is Calcium D-Glucarate intended for?

How do I use Calcium D-Glucarate?

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

Calcium D-Glucarate

Ingredient	Source
Riboflavin	Synthetic

What are the ingredients in Riboflavin sourced from?Updated 5 months ago