Dietary Supplements and Vitamins

Selenomethionine: Uses, Benefits, Side Effects

By Brittany Poulson, MDA, RDN, CD, CDCES

Choline: What It Is, Sources, Needs, Excess, Deficiency

By Carisa Brewster

Selenite: Benefits, Side Effects, Dosage, and Interactions

By Anastasia Climan, RDN, CD-N

Sodium Bicarbonate: Uses, Forms, Risks

By Angelica Bottaro

Calcium Citrate: Benefits, Side Effects, Dosage, and Interactions

By Anastasia Climan, RDN, CD-N

Vitamin B12: Uses, Benefits, Food Sources

By Yvelette Stines

Sulforaphane: Uses, Benefits, and Side Effects

By Brittany Poulson, MDA, RDN, CD, CDCES

Hydrolyzed Collagen: What It Is, Health Benefits, Use

By Martta Kelly

Alkaline: Definition, Medical Uses, Side Effects

Medically reviewed by Emily Dashiell, ND

Vitamin D3: Uses, Benefits, Food Sources

By Yvelette Stines

Adenosine Monophosphate: Benefits, Side Effects, Dosage

Medically reviewed by Emily Dashiell, ND

Betaine Hydrochloride: Benefits, Side Effects, Dosage, and Interactions

By Lauren Krouse

Casein: What It Is, How It Works, Uses

By Anastasia Climan, RDN, CD-N

Retinol: What It Is, How It Works, Uses, Health Benefit

By Tolu Ajiboye

Natural Supplements to Support the Immune System

Medically reviewed by Meredith Bull, ND

Trypsin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Histidine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Vitamin Toxicity: Symptoms, Causes, Diagnosis, and Treatment

Medically reviewed by Lana Butner, ND, LAc

Using Ginger to Ease Arthritis Symptoms

Medically reviewed by Grant Hughes, MD

Pancreatin: Benefits, Side Effects, Dosage, and Interactions

By Sherry Christiansen

Citrulline: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Caitilin Kelly, MD

Zeaxanthin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Tocopheryl Acetate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Caitilin Kelly, MD

Proteolytic Enzymes: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Methionine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Lecithin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Magnesium Chloride: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Beano: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Rochelle Collins, DO

Niacinamide Supplement: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Horehound: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Calendula: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Chromium: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Oregon Grape: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Lycopene: Benefits, Side Effects, and Interactions

Medically reviewed by Emily Dashiell, ND

Soy: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Kombu: Health Benefits, Storage, and Preparation

Medically reviewed by Elena Klimenko, MD

Goldenrod: Benefits, Side Effects, and Preparations

Medically reviewed by Lana Butner, ND, LAc

Carotenoids: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Fluoride: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Prickly Ash: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

What Is Pellagra?

Medically reviewed by Lana Butner, ND, LAc

Phosphorus: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Xylitol: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

The Benefits, Dosage, and Side Effects of Carob

Medically reviewed by Meredith Bull, ND

Potassium: Benefits, Side Effects, Dosage, and Preparation

Medically reviewed by Arno Kroner, DAOM, LAc

Iodine: Benefits, Side Effects, and Preparations

Medically reviewed by Lana Butner, ND, LAc

Magnesium Oxide: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

The Health Benefits of Copper

Medically reviewed by Lana Butner, ND, LAc

Inulin: Benefits, Dosage, Side Effects, Preparation, and Storage

Medically reviewed by Lana Butner, ND, LAc

Pokeweed: Benefits, Side Effects, and Preparations

Medically reviewed by Richard N. Fogoros, MD

Chelated Iron: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Oat Bran: Benefits, Side Effects, and Interactions

Medically reviewed by Emily Dashiell, ND

Yarrow: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Horseradish: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Alfalfa: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Phosphate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Glycine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

What Happens When You're Iodine Deficient?

Medically reviewed by Danielle Weiss, MD

Potassium Bicarbonate: Benefits, Side Effects, Dosage

Medically reviewed by Arno Kroner, DAOM, LAc

Plantain: Benefits, Dosage, Side Effects, and Preparation

Medically reviewed by Lana Butner, ND, LAc

Osha Root: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Iron: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Calcium Gluconate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Hemp: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Isoflavones: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

The 8 Best Zinc Supplements of 2020

Fact checked by Ashley Hall

The 8 Best B-Complex Supplements of 2020, According to a Dietitian

Fact checked by Ashley Hall

The 9 Best Digestive Enzymes

Fact checked by Ashley Hall

The 9 Best Fiber Supplements, According to a Dietitian

Fact checked by Ashley Hall

The 9 Best Melatonin Supplements, According to a Dietitian

Fact checked by Ashley Hall

The 7 Best Collagen Supplements, According to a Dietitian

Fact checked by Ashley Hall

The 10 Best Biotin Supplements of 2020, According to a Dietitian

Fact checked by Ashley Hall

The Health Benefits of Pumpkin Seed Oil

Medically reviewed by Emily Dashiell, ND

Alpha-Lipoic Acid: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Ganoderma Coffee—Benefits of This Reishi Drink

Medically reviewed by Emily Dashiell, ND

Vitex: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Glutathione: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Anthocyanins Benefits and Food Sources

Medically reviewed by Meredith Bull, ND

Hesperidin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

The Side Effects of Glucosamine and Chondroitin Sulfate

Medically reviewed by Meredith Bull, ND

Caprylic Acid: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Apple Pectin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Spirulina: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Mastic Gum: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Health Benefits of the Tropical Fruit Baobab

Medically reviewed by Arno Kroner, DAOM, LAc

AHCC: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Alpha-Ketoglutaric Acid: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

The Best Vitamins for Fighting Inflammation

Medically reviewed by Lana Butner, ND, LAc

The Side Effects of Fish Oil Supplements

Medically reviewed by Lana Butner, ND, LAc

Agaricus Mushroom: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Emily Dashiell, ND

Arabinoxylan: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

Lysine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Bacillus Coagulans: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Are Omega 3 Fatty Acids Safe for Everyone?

Medically reviewed by Richard N. Fogoros, MD

The Difference Between Prescription Fish Oil and Supplements

Medically reviewed by Arno Kroner, DAOM, LAc

Uses and Benefits of SAMe Supplements

Medically reviewed by Meredith Bull, ND

Benfotiamine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Brown Seaweed: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Barberry: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Sulfur: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Serrapeptase: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Emily Dashiell, ND

Andrographis: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Collagen Supplements: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Phyllanthus: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Hyaluronic Acid: Benefits, Side Effects, & Dosage

Medically reviewed by Lana Butner, ND, LAc

Bromelain: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Rutin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Monolaurin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Grapefruit Seed Extract: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Lumbrokinase: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Emily Dashiell, ND

Malic Acid: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Allicin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

L-Cysteine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Jellyfish Protein (Apoaequorin): Benefits, Side Effects, Dosage

Medically reviewed by Emily Dashiell, ND

Asparagus Extract: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Emily Dashiell, ND

Yucca: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Biotin Supplements for Healthy Nail Growth

Medically reviewed by Arno Kroner, DAOM, LAc

N-Acetylcysteine: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Diosmin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

DHEA Uses, Benefits, and Side Effects

Medically reviewed by Lana Butner, ND, LAc

Vanadium: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Saccharomyces Boulardii: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Emily Dashiell, ND

Lactase: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Cetyl Myristoleate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Corinne Savides Happel, MD

Stinging Nettle: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

Black Cherries: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Orthosilicic Acid: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Celery Seed: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Royal Jelly: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Muira Puama: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Ferulic Acid: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Benefits and Risks of Yellow Dock

Medically reviewed by Arno Kroner, DAOM, LAc

The 7 Best Iron Supplements of 2020, According to a Dietitian

Fact checked by Ashley Hall

Angelica: Benefits, Side Effects, and Preparations

Medically reviewed by Lana Butner, ND, LAc

The Benefits and Uses of Cranberry

Medically reviewed by Arno Kroner, DAOM, LAc

Rose Hip: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

MSM: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Rochelle Collins, DO

Phytoestrogens: Benefits, Side Effects, and Preparations

Medically reviewed by Richard N. Fogoros, MD

Pau D'Arco: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Grape Seed Extract: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Evening Primrose Oil: Benefits, Side Effects, Interactions

Medically reviewed by Meredith Bull, ND

DMAE: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Chaga Mushroom: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Strontium: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Black Currant: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

The Benefits of Probiotic Lactobacillus Gasseri

Medically reviewed by Arno Kroner, DAOM, LAc

Chromium Picolinate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Triphala: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Rochelle Collins, DO

Ahiflower Oil: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Meredith Bull, ND

Diindolylmethane: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Boron: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Beta-Sitosterol: Benefits, Side Effects, Dosage, Interaction

Medically reviewed by Emily Dashiell, ND

Activated Charcoal: Benefits, Side Effects, and Preparations

Medically reviewed by Meredith Bull, ND

How to Use Nutritional Supplements in a Safe Way

Medically reviewed by Emily Dashiell, ND

N-Acetylglucosamine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Beta-Glucan: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Emily Dashiell, ND

Red Yeast Rice – What are the Side Effects?

Medically reviewed by Arno Kroner, DAOM, LAc

Quercetin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Flaxseed Oil: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Lactoferrin: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Emily Dashiell, ND

Gamma-Linolenic Acid: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

Cordyceps: Benefits, Side Effects, Dosage, and Interaction

Medically reviewed by Emily Dashiell, ND

Black Walnut: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Digestive Enzymes: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Oregano Oil: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Polypodium Leucotomos: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Colostrum Supplements: Benefits, Side Effects, and Dosage

Medically reviewed by Lana Butner, ND, LAc

Blueberry Extract: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Sea Cucumber: Benefits, Side Effects, and Preparations

Medically reviewed by Rochelle Collins, DO

The Health Benefits of Cod Liver Oil

Medically reviewed by Lana Butner, ND, LAc

Vitamin C: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

L-Arginine: Benefits, Side Effects, Dosage, and Diet

Medically reviewed by Meredith Bull, ND

Guarana: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

CoQ10: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Krill Oil: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Vinpocetine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Hoodia: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Maca Root: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Guggul: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Papain: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Damiana: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Will DHEA Improve Your Well Being and Sexuality?

Medically reviewed by Meredith Shur, MD

Does Acidophilus Need to be Refrigerated?

Medically reviewed by Rochelle Collins, DO

Benefits of the Sweetener Lucuma

Medically reviewed by Arno Kroner, DAOM, LAc

Nattokinase: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

D-Limonene: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Modified Citrus Benefits: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Chokeberry: Benefits, Side Effects, and Preparations

Medically reviewed by Emily Dashiell, ND

Health Benefits of Pterostilbene in Blueberries

Medically reviewed by Arno Kroner, DAOM, LAc

Carnosine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Aniracetam: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

D-Ribose: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Grape Seed Extract for Chronic Venous Insufficiency

Medically reviewed by Arno Kroner, DAOM, LAc

Psyllium: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Chlorella: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Lana Butner, ND, LAc

Picamilon: Benefits, Side Effects, Dosage, Interactions

Medically reviewed by Emily Dashiell, ND

Wild Yam: Benefits, Side Effects Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Burdock: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Arno Kroner, DAOM, LAc

Possible Drug Interactions of 5-HTP

Medically reviewed by Meredith Bull, ND

Superoxide Dismutase: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Richard N. Fogoros, MD

Pomegranate Juice: Benefits, Side Effects, and Preparations

Medically reviewed by Arno Kroner, DAOM, LAc

Tulsi: Benefits, Side Effects, and Preparations

By Cathy Wong

Cricket Flour: What It Tastes Like and Nutrition Facts

Medically reviewed by Meredith Bull, ND

Lovage: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Calcium D-Glucarate: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Meredith Bull, ND

Coral Calcium: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Lana Butner, ND, LAc

Elderberry: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Andy Miller, MD

Health Benefits and Uses of Melatonin

Medically reviewed by Jenny Sweigard, MD

Can Probiotics Help With Eczema?

Medically reviewed by Casey Gallagher, MD

Turmeric: Benefits, Side Effects, and Preparations

Medically reviewed by Lana Butner, ND, LAc

Long-Term Effects of Taking Mineral Oil

Medically reviewed by Robert Burakoff, MD, MPH

Glucosamine: Benefits, Side Effects, Dosage, and Interactions

Medically reviewed by Grant Hughes, MD

Vitamin D Deficiency: Overview and More

Medically reviewed by Isaac O. Opole, MD, PhD

Bloodroot: Benefits, Side Effects, and Preparations

Medically reviewed by Lana Butner, ND, LAc