10 Best kelp powders of 2025

Save up to 41% off

Best Choice

1

Solid Gold

Solid Gold Dog & Cat Vitamin Supplements - Kelp Powder, Omega 3, Vitamins, Digestive Enzymes, Immune Support - 1 LB
9.9

Exceptional

Our Rating

9.5
quality of ingredients

8.9
worth the money

8.7
Flavor
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Value for Money

2

Micro Ingredients

Organic Kelp Powder, 2lbs | Sustainably US Grown, Raw Ascophyllum Nodosum Source | Rich in Iodine for Thyroid Support, Body Scrubs, & Skin Care | Sea Vegetable | Non-GMO, Vegan
9.6

Exceptional

Our Rating
3

Starwest Botanicals

Starwest Botanicals Organic Kelp Powder - Nutrient Rich, Natural Source of Iodine, Potassium, Magnesium, Zinc, Iron, & Calcium, Certified Kosher, Non-GMO - 16 oz Bag
9.5

Excellent

Our Rating
4

Chew + Heal Labs
Kelp Supplement for Dogs – Natural Seaweed Powder for Thyroid Function, Dental Health, Immune Support, Skin & Coat – Iodine-Rich 4 oz Meal Topper with 5cc Spoon – Made in USA

10% Off
Main highlights

Supports Healthy Thyroid Function
Contains iodine to aid thyroid, pituitary, and adrenal glands, enhancing metabolic health.

Ideal for Meal Topping
Granule texture is perfect as a meal topper for dogs.

Praised for Dental Benefits
Enzymes help reduce plaque buildup, improving dental health.
Key specs
- Formulation:Kelp Powder Granules
- Ingredients:Kelp, iodine, vitamins A, B, C, E
- Dimensions:3.11 x 2.91 x 2.83 inches
- Health Benefit:Thyroid, skin, dental health
- Serving Size:5 cc spoon
9.4

Excellent

Our Rating
5

XPRS Nutra
XPRS Nutra Organic Kelp Powder (Ascophyllum Nodosum) - Seaweed Powder Rich in Iodine, Immune Vitamins and Minerals - Food Grade Sea Kelp Supplement Vegan Superfood for Skin Care (4 oz)
Main highlights

Key Features and Benefits
Natural source of iodine, vitamins, and minerals. Sugar-free, high in fiber. Versatile in use, from dietary supplements to skin care.

Ideal Use Cases
Perfect for enhancing shakes, salads, and homemade skin care. Ideal for those seeking a balanced diet and improved skin moisture.

Customer Reviews Highlight
Most praised for its quality and versatility in dietary and skincare applications, with noticeable health and skin benefits.
9.3

Excellent

Our Rating

8.4
worth the money

8.0
simple to consume

8.0
Flavor
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6

NOW Foods
NOW Supplements, Kelp Powder, Certified Organic, Excellent Source of Iodine, Super Green, 8-Ounce

41% Off
Main highlights

PURE POWDER Kelp Benefits
Kelp is an excellent source of iodine, essential for healthy thyroid function, and has been used in Asian cuisines for centuries.

Ideal Uses for Kelp Powder
Perfect for supplementing homemade dog food and daily diets to meet iodine requirements, especially for those tracking nutrition closely.

Customer Praised Feature
Customers appreciate the precise iodine content, making it easy to measure and incorporate into diets, despite the small scoop size.
Key specs
- Form:Pure powder
- Source:Kelp
- Iodine Content:Excellent source
- Organic:N/A
- Potassium Iodide:N/A
9.2

Excellent

Our Rating

9.7
quality of ingredients

8.0
Simple to use

8.0
Flavor
7

NOW Foods

Kelp Powder Norwegian Now Foods 8 oz Powder
9.0

Excellent

Our Rating
8

Raw Paws

Raw Paws Organic Kelp Powder for Dogs & Cats (8-Ounce) - Iodine Rich for Thyroid, Digestive & Immune Health - Dried Sea Kelp for Dogs - Seaweed Powder Supplement
8.7

Very Good

Our Rating
9

Starwest Botanicals

STARWEST BOTANICALS Organic Kelp Granules,1 Pound
8.5

Good

Our Rating
10

Maine Coast Sea Vegetables
Maine Coast Sea Vegetables Kelp Granules Blend | Organic Seaweed Snacks | Sustainably Harvested | Low Sodium Salt Alternative | Rich in Iodine & Minerals | Ideal for Soups, Salad | 1.5 oz (Pack of 1)
Main highlights

Organic and Sustainable
Certified organic kelp granules sustainably harvested and tested for purity.

Versatile Culinary Uses
Ideal for enhancing soups, salads, and more with nutritious seaweed.

Nutrient-Rich Blend
Praised for its rich content of vitamins, minerals, and antioxidants.
8.4

Good

Our Rating

10 Best kelp powders of 2025

1

Solid Gold Dog & Cat Vitamin Supplements - Kelp Powder, Omega 3, Vitamins, Digestive Enzymes, Immune Support - 1 LB

9.5

8.9

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

Organic Kelp Powder, 2lbs | Sustainably US Grown, Raw Ascophyllum Nodosum Source | Rich in Iodine for Thyroid Support, Body Scrubs, & Skin Care | Sea Vegetable | Non-GMO, Vegan

3

Starwest Botanicals Organic Kelp Powder - Nutrient Rich, Natural Source of Iodine, Potassium, Magnesium, Zinc, Iron, & Calcium, Certified Kosher, Non-GMO - 16 oz Bag

4

Kelp Supplement for Dogs – Natural Seaweed Powder for Thyroid Function, Dental Health, Immune Support, Skin & Coat – Iodine-Rich 4 oz Meal Topper with 5cc Spoon – Made in USA

5

XPRS Nutra Organic Kelp Powder (Ascophyllum Nodosum) - Seaweed Powder Rich in Iodine, Immune Vitamins and Minerals - Food Grade Sea Kelp Supplement Vegan Superfood for Skin Care (4 oz)

8.4

8.0

8.0

6

NOW Supplements, Kelp Powder, Certified Organic, Excellent Source of Iodine, Super Green, 8-Ounce

9.7

8.0

8.0

7

Kelp Powder Norwegian Now Foods 8 oz Powder

8

Raw Paws Organic Kelp Powder for Dogs & Cats (8-Ounce) - Iodine Rich for Thyroid, Digestive & Immune Health - Dried Sea Kelp for Dogs - Seaweed Powder Supplement

9

STARWEST BOTANICALS Organic Kelp Granules,1 Pound

10

Maine Coast Sea Vegetables Kelp Granules Blend | Organic Seaweed Snacks | Sustainably Harvested | Low Sodium Salt Alternative | Rich in Iodine & Minerals | Ideal for Soups, Salad | 1.5 oz (Pack of 1)

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