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Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules
Swanson Inositol 650 MG 100 Capsules

Swanson Inositol 650 MG 100 Capsules

Swanson Inositol 650 MG 100 Capsules

$13.85

(1,410 reviews)

This high-quality food supplement from Swanson contains high doses of inositol in the form of myoinositol. There are 650mg of inositol per capsule.

This high-quality food supplement from Swanson contains high doses of inositol in the form of myoinositol. There are 650mg of inositol per capsule.

(1,410 reviews)

This high-quality food supplement from Swanson contains high doses of inositol in the form of myoinositol. There are 650mg of inositol per capsule.

This high-quality food supplement from Swanson contains high doses of inositol in the form of myoinositol. There are 650mg of inositol per capsule.

$13.85 - $67.04

in 8 offers

The lowest price for Swanson Inositol 650 MG 100 Capsules right now is $13.85 at Comet Sports, compared across 7 retailers.

The all-time low was $9.79 on 21 Dec 2025 — today's price is 41% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 8 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 08/06/2026 10:43:31

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Comet Sports

$13.85

Swanson Inositol 650Mg - 100Caps

Delivery $37.78

Biolaboratorium

$16.39

Inositol Vitamin B8 Inositol B - 8 650 mg 100 Capsules SWANSON

Delivery between 12–18 June $63.67

Biolaboratorium

$29.72

Inositol Vitamin B8 Inositol B-8 650mg 100 capsules SWANSON

Delivery between 12–18 June $63.67

iHerb

$18.60

Swanson Vitamins, Inositol, 650 mg, 100 Capsules

Delivery $40

Aussie Variety-AU

$21.55

Swanson Inositol 650mg 100 Capsules Vitamin Supplement

Delivery $13.95

eBay.com.au

$26.63

Swanson Inositol 650 mg 100 Capsules, Mental Wellness Support, Vitamin B

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

biogo.fr

$28.35

Inositol vitamin B8 Inositol B-8 650mg 100 capsules SWANSON

Delivery $69.12

Matt Blatt

$67.04

Swanson, Inositol, 650 mg, 100 Capsules

Delivery $9

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Bad
5 October 2023iHerb Customer

originally posted on iherb.com

It really done something bad to my hormones and face skin. I dranknit becouse it should repear your hormone acne and it really dont. Just make it really worse. Tragic...

Best inositol
12 October 2023iHerb Customer

originally posted on iherb.com

Quality for this inositol is great. Size of the product is very good. I take one in the morning and one at night. Effects is visible after one or two week. I take them with folic acid and niacin. Package is great, easy for everyday use.

Excellent!
3 August 2023iHerb Customer

originally posted on iherb.com

great quality product. it really works as intended. Will definitely get more soon! Thank you so much for this. it was made of high qualiy ingredients. Plus the packaging and sizes were perfect. over all good quality. i love the smell and the looks of it. im looking forward to purchasing another one!

Specification

Best BySeptember 2025
Dimensions10.9 x 5.8 x 5.8 cm , 0.13 kg
Serving Size1 Capsule

Price comparison

Updated about 23 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Comet Sports

$13.85

Out of stock

Swanson Inositol 650Mg - 100Caps

Delivery $37.78

Biolaboratorium

$16.39

Out of stock

Inositol Vitamin B8 Inositol B - 8 650 mg 100 Capsules SWANSON

Delivery between 12–18 June $63.67

Biolaboratorium

$29.72

Inositol Vitamin B8 Inositol B-8 650mg 100 capsules SWANSON

Delivery between 12–18 June $63.67

iHerb

$18.60

Swanson Vitamins, Inositol, 650 mg, 100 Capsules

Delivery $40

Aussie Variety-AU

$21.55

Swanson Inositol 650mg 100 Capsules Vitamin Supplement

Delivery $13.95

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Bad
5 October 2023

It really done something bad to my hormones and face skin. I dranknit becouse it should repear your hormone acne and it really dont. Just make it really worse. Tragic...

iHerb Customer originally posted on iherb.com
Best inositol
12 October 2023

Quality for this inositol is great. Size of the product is very good. I take one in the morning and one at night. Effects is visible after one or two week. I take them with folic acid and niacin. Package is great, easy for everyday use.

iHerb Customer originally posted on iherb.com
Excellent!
3 August 2023

great quality product. it really works as intended. Will definitely get more soon! Thank you so much for this. it was made of high qualiy ingredients. Plus the packaging and sizes were perfect. over all good quality. i love the smell and the looks of it. im looking forward to purchasing another one!

iHerb Customer originally posted on iherb.com
Excellent!!
25 October 2023

I really love this Brand. Every product is a masterpiece. Tried it and will definitely buy again. Highly recommend to everyone with such a awesome ingredients. Will definitely recommend it to my friends and family as well. Thank you and will continue to support a product and brand like this. SUPERB!

iHerb Customer originally posted on iherb.com
Good enough...
27 August 2023

I've been taking another brand of inositol regularly, but recently so many products are sold out on the site, I was forced to try this brand. Although I'm not a big fan of Swanson (it makes me thing of TV dinners), it was available and the price was reasonable, so I'm giving it a try. As is the case with many supplements, they need to be taken for quite some time to notice a difference. But I'm hoping for improvement in various areas, especially hair growth and skin condition.

iHerb Customer originally posted on iherb.com
Great
25 November 2023

A great supplement to support healthy mental function! Inositol, which belongs to the B vitamins, plays an important role in the growth and functioning of cells, maintaining energy metabolism and maintaining calcium balance at the cellular level. Inositol helps to support the transport of nutrients through cell membranes, affects the production of insulin, serotonin and dopamine. I am happy with this supplement. Try it and you, if you haven't done it yet.

iHerb Customer originally posted on iherb.com
Huberman's cocktail
18 September 2023

On my blend of Huberman's cocktail with magnesium threonate, theanine, inositol, GABA. Has not corrected my sleep problem, still wake up at 4am fully awake. No drowsy feeling or calmness whatsoever whether taken at bedtime or in the morning. Increasing dosages did not help. Noticed however more focus on short sleep. No noticeable side effects. No vivid dreams, perhaps slightly enhanced recall of mundane dreams. No stomach issues from the magnesium. Will continue taking to see if the benefits can last.

iHerb Customer originally posted on iherb.com
PCOS Miracle Worker
12 April 2023

I have PCOS and had been on cycle for so long, and so heavy that I had to have a blood transfusion. I took Provera for 10 days, and on day 12 my cycle started right back up. I felt so defeated,like I was going to bleed to death. I was looking through my vitamins for the iron tablets, and found these - I had forgotten I bought them. I started taking them that night with the iron and vitamin C and the next day my cycle was MUCH lighter, and stopped completely the next day. They hormone regulation effects of Inositol saved my life. I take one, twice daily, and will the rest of my life.

LaurenW originally posted on swansonvitamins.com
Result: Negative Results after 3 months!
5 November 2022

As luck would have it, things do not always workas they should. I tried the Inositol for 3 months and then had my blood drawn to see what the results were. My cholesterol went up 9 points, Triglycerides increased 70 points, VLDL went up 14 points, LDL/HDL Ratio went up .7 and the LDL Choester Calc went down 1 point and the HDL Cholesterol went down 6 points. So everything went the exact opposite of what it should have so no ore Inositol for me.

JanetH originally posted on swansonvitamins.com
Terrible side effects
22 April 2023

I was hopeful buying this product, because of the reviews but I'm very regretful for doing so. Unfortunately, this supplement gave me the worst side effects imaginable. I've been experiencing stomach flu like symptoms for the last 48 hours due to taking these. Diarrhea, headache, vertigo, vomiting, chills, rapid heartbeat (112bpm laying down, at rest), ringing of the ears, etc. I'm not sure if the dosage is too high for me, or if I just can't tolerate them. I will be returning the product.

StephanieH originally posted on swansonvitamins.com

Specification

Best BySeptember 2025
Dimensions10.9 x 5.8 x 5.8 cm , 0.13 kg
Serving Size1 Capsule

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