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Soy Isoflavones - advice pls

58 replies

JS5 · 23/02/2024 08:02

Could anyone with experience using soy isoflavones help please.

Want to give this a go as my cycles vary 35 to 40days. Currently waiting for AF to arrive anytime today or tomorrow.

Natures Best have some but dose seem a little confusing, they've "chosen to isolate isoflavones from soya", so isoflavones only 50mg. But then under the Formula it says 50,000 soya bean extract.
https://www.naturesbest.co.uk/herbs-spices/soya-isoflavones-50mg/

Please can someone advice if this would be the right one to buy. Equally any other places to buy from that are trustworthy

Thank you

Soya Isoflavones 50mg, High Strength Extract

Natural source of isoflavones from non-GM soya, not red cloverPopular choice for women during the menopause Small, easy to swallow, taste-free tabletsNatures' Best Soya Isoflavones is still one of the strongest products available reflecting the level a...

https://www.naturesbest.co.uk/herbs-spices/soya-isoflavones-50mg

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JS5 · 23/02/2024 15:52

Thank you for sharing, ladies very helpful💕

@TTCbaby1soph sorry if I've missed this, just to confirm, your cycle was a little longer after taking SI but prolonged your luteal phase? Was this the main or one of the reasons you decided to try SI? Also do you mind sharing which brand you're using? Ta X

OP posts:
TTCbaby1soph · 23/02/2024 15:23

@chutney1 haha I’ve had all of that done so really hoping the soy helps before looking at any other sort of intervention. I’ve had loads of scans all clear and hycosy was fine, everything on blood tests ok apart from the fluctuating pregesterone level on day 21 blood test (although I think before I was having this done on the wrong day re the 10 day Luteal phase)
really really hoping the soy helps. Never had a hint of a BFP.

chutney1 · 23/02/2024 15:18

@TTCbaby1soph thanks for sharing your experience - your cycle sounds quite similar to mine. good luck with this cycle, let us know how it goes!
I'm on day 4 today, I'm taking them days 3-7 and I'm doing 80, 80, 120, 120, 120

I'll report back on the thread how it goes. from last night the only effect I noticed was a very deep sleep (plus!) and a little bit of an ache on one side today - the left side, which is the one I usually get cramps with mid cycle.

Fingers crossed for all of us!
If this doesn't work I'm getting a hycosy haha

TTCbaby1soph · 23/02/2024 14:57

I’m currently on my second cycle taking them. I took 120, 120, 160, 160, 200 CD 3-7. I usually have around a 24-28 day cycle with a Luteal phase of 10 days but was unclear whether I was actually Oing or not due to fluctuating pregesterone levels, last month (first cycle on soy) I ovulated day 20 (pos opk CD19) and then had a 33 day cycle (down side was I thought I was late and wasn’t pregnant)
I also took another pregosterone test which would have been 6dpo and it was 28.5 which is higher at least than my previous ones. I’ll see what happens this month - currently CD 10

itsLKtoday · 23/02/2024 11:30

I some research before about dosage and I found the recommendations vary so much.
I've had a wee Google again as had a little panic there that I'd been overdosing 😅
https://www.babycenter.com/getting-pregnant/how-to-get-pregnant/can-soy-isoflavones-help-me-get-pregnant_10364266
Several sources say to take up to 200mg a day. Sure I read a thread on here too.

The capsules I've got actually contain 64mg so
Day 1 & 2 = 64mg
Day 3 & 4 = 128mg
Day 5 = 192mg

I've got another thing going on at the moment too which might be the issue with the soy but it's v. complicated and just would like a successful pregnancy before moving on to dealing with it when I need to.

Let us know how you get on!

Can soy isoflavones help me get pregnant?

The phytoestrogens in soy reputedly work in a way that's similar to the fertility drug Clomid. Are they really a good, safe alternative? Find out.

https://www.babycenter.com/getting-pregnant/how-to-get-pregnant/can-soy-isoflavones-help-me-get-pregnant_10364266

chutney1 · 23/02/2024 11:16

@itsLKtoday thanks for sharing your experience - those ones look really high strength - maybe that's what made you sick? I saw somewhere that you're supposed to take 100mg so if you had 160mg and 240mg maybe it's a lot?

Great to hear that it helped you ovulate sooner though!

With the AC, I've seen people say you can't take it alongside soy isoflavones, but I'm not sure why - what does the4 AC do?

itsLKtoday · 23/02/2024 10:25

Hello

I've tried soya isoflavones a few months with mixed success.
I have these ones from Amazon
SOYA Isoflavones 80% Extract 120 Capsules, 3rd Party Lab Tested, High Strength Supplement https://amzn.eu/d/4HU60Wl

My cycles were completely irregular between 25-39 days with the main issue being the shortish luteal phase however I wanted to ovulate before day 26 to give myself more chances throughout the year.

I was usually ovulating around day 19 I think and twice brought it forward to day 15, one month no difference made. I was talking them say 3-7.
I took 1, 1, 2, 2 then 3 then stopped.
One month I'm convinced they made me ill with D&V to the extent I was convinced I must have a soy allergy and haven't taken them since.

My luteal phase has increased to approx 13 days with minimal spotting before my period. I also take pregnacare conception, 1000mg of vitamin c, 100mg of vit b complex + added coq10 600mg this month. This has been the most successful combination for me.
I also take Angus Castus 40mg twice per day in the luteal phase and has helped massively with PMS.

However! Having seen a private Gynaecologist who suggested clomiphene on days 1-5 I'm going to try the isoflavones again as he won't start me on them til I've had a transvaginal ultrasound+follow up appointment which will take a couple of weeks to happen.

I'm on day 1 of my cycle and also started an anti depressant today clitalopram of which the side effects included nausea and vomiting so just gonna chuck the isoflavones in to....might lose that stone the Gynaecologist suggested!😬

chutney1 · 23/02/2024 09:38

I'm starting soy this cycle! I got mine off amazon and they were 40mg so i've had to mess with the dose a bit to get the right amount - the ones you've sent look good as they're 50mg already which I think is the correct dosage - so you can just take 2 / 100mg daily :)

you always go with the isoflavones content for the dosage (not the bigger number, think that's the total soy content)

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