Jessika Power speaks out after a supplements company accused her of keeping ...

Jessika Power has defended herself after a supplements company claimed she was paid $1,600 for a sponsored post which never materialised, before then cutting off communication with them.

Speaking to Daily Mail Australia on Friday, the 27-year-old former Married At First Sight star claimed she'd told the company she was unwell and intended to return the money in two weeks' time.

'I'm really, really sick. I'm in and out of surgery at the moment. The medicine I'm on makes me really sick. I've been vomiting, I'm bed-bound, I haven't even been going to college because of it,' she said.

Speaking out: Jessika Power (pictured) has defended herself after a supplements company claimed she was paid $1,600 for a sponsored post which never materialised, before then cutting off communication with them

Speaking out: Jessika Power (pictured) has defended herself after a supplements company claimed she was paid $1,600 for a sponsored post which never materialised, before then cutting off communication with them

'I let them know that [I'm sick]. I told them, "Look, I'm actually really, really sick. I'm really sorry that this has happened,"' she added.

'I said, "At the moment, I'm unable to pay back the agreement, but it will be paid to you in two weeks."'

Jessika, who did not disclose the nature of her illness, said the company's accusations that she had kept the money before cutting off communication online had 'really, really upset' her.

Communication: Speaking to Daily Mail Australia on Friday, the 27-year-old former Married At First Sight star claimed she'd told the company she was unwell and intended to return the money in two weeks' time

Communication: Speaking to Daily Mail Australia on Friday, the 27-year-old former Married At First Sight star claimed she'd told the company she was unwell and intended to return the money in two weeks' time

Jessika explained that her manager was now handling the disagreement.

In a lengthy post on Facebook recently, the company's director, Brooke Whale, claimed Jessika had accepted the payment but never delivered on a sponsored post for Soothe my Mood supplements.

'Since paying her $l,600 for 1 x Instagram post and 1 x Instagram story, she has completely fallen off the face of the earth,' Ms Whale wrote.

Taking a toll: Jessika, who did not disclose the nature of her illness, said the company's accusations that she had kept the money before cutting off communication online had 'really, really upset' her

Taking a toll: Jessika, who did not disclose the nature of her illness, said the company's accusations that she had kept the money before cutting off communication online had 'really, really upset' her

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