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InterPlexus

Seriphos™, 100 Vegetarian Capsules

4.6 · 640 reviews
4,216 ₽

Whole Body Health Phosphorylated Serine Adaptogen & Adrenal Support Dietary Supplement Non GMO Original Formula Suitable for Vegetarians The original formulation of our most popular supplement. Seriphos™ provides superior adrenal support and is intended to help maintain a healthy response to stress. The benefits of being less stressed often include a better and more restful night's sleep and improved overall quality of life.

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Whole Body Health Phosphorylated Serine Adaptogen & Adrenal Support Dietary Supplement Non GMO Original Formula Suitable for Vegetarians The original formulation of our most popular supplement. Seriphos™ provides superior adrenal support and is intended to help maintain a healthy response to stress. The benefits of being less stressed often include a better and more restful night's sleep and improved overall quality of life.

Customer reviews

5.0
verified purchase
Great for sleepless nights

I take this when I wake up in the night and can't fall back asleep (recommended by my doctor). It doesn't make me groggy but I always end up falling back asleep when I take it.

6/30/2025
5.0
verified purchase
Best

Seriphos has been amazing for my sleep! I was struggling with restless nights, but since taking this, I sleep like a baby. It’s really helped me wind down and get deeper, more restful sleep. Highly recommend if you’re looking for a natural way to improve your sleep quality!

11/8/2024
5.0
verified purchase

Helps reduce elevated cortisol levels, especially at night ie no more night wake. Support hypothalamic-pituitary-adrenal (HPA) axis regulation snd promote parasympathetic (vagal) dominance, which improves HRV. Shows on my iWatch.

4/26/2026
4.0
verified purchase
Pretty good

Pretty good, did have some effect, maybe a little heavy feelign, we prefer regular Phosphatidyl serine

11/14/2025
5.0
verified purchase
Seriphos Dietary Supplement

In terms of benefits, I’ve personally noticed less late‑evening stress, calmer mind‑activity before bed, and improved sleep quality when I take it at the right time. My mood during high‑pressure work days also feels more stable and less reactive. The taste is neutral (capsules), so it’s convenient and easy to incorporate into a routine without any unpleasant flavor.

11/6/2025
5.0
verified purchase
This product surprised me.

It gave me more energy, energy, and peace of mind. I plan to continue using it. It really helped regulate cortisol.

9/21/2025
5.0
verified purchase
Instantly felt better and relieved all my symptoms

My friend recommended as I had trouble with sleep and my cortisol is high. The ingredients are very simple and pure! I take one before bed and now can sleep like a baby, so I highly recommend to anyone who is still struggling with sleep issues. The quality is very high! Also, it is very affordable as it lasts for 100 days and the dosage is good.

11/2/2024
5.0
verified purchase
High-Quality Supplement for Relaxation and Balance

The InterPlexus Seriphos™ capsules have been a dependable part of my supplement routine. I appreciate that they come in vegetarian capsules and use a thoughtful formula designed to support a calm, balanced feeling during stressful times. The capsules are easy to swallow and gentle on the stomach. I also like that the bottle lasts a long time since only a small serving is needed. The quality is consistent, and the brand has a solid reputation for producing well-formulated products. Overall, this is a premium supplement that supports relaxation and helps maintain a sense of balance. Great choice for those looking for a trusted, high-quality option.

11/1/2025
5.0
verified purchase
Great

No taste, odorless and smooth capsules. The ingredient list is minimal, no unnecessary extras. Light dosage per capsule, with clear label info. Size is easy to take. Bottle has a tamper-proof seal and feels like solid quality.

8/12/2025
5.0
verified purchase
Easy to take

Heard this can help with anxiety. I dont know how long I will take it for but it has helped. Im glad I got it.

7/27/2025