Funding · Healthcare & Life Sciences

The Stack raises ₹5.5 Cr pre-seed funding led by OTP Ventures and Huddle Ventures

By Startup Enthusiast · 27 January 2026

Date: 27 January 2026
Company: The Stack
What it does: science-backed supplements
Kind: Funding
Amount: ₹5.5 Cr
Stage: pre-seed
Founded: 2024
Sector: Healthcare & Life Sciences

What they do

The Stack builds science-backed supplements using clinically studied ingredients and transparent formulations to address specific health needs like sleep…

What happened

The company raised ₹5.5 crore in a pre-seed funding round led by OTP Ventures and Huddle Ventures, with participation from a group of angel investors

Why it matters

The funds will be used to expand the product pipeline, build the early team, and improve brand and packaging

The details

The Stack, a supplements brand, raised ₹5.5 crore in a pre-seed funding round led by OTP Ventures and Huddle Ventures, with participation from a group of angel investors.
The company focuses on building science-backed supplements using clinically studied ingredients and transparent formulations to address specific health needs like sleep and gut health.
The funds will be used to invest in research and development, expand the product pipeline, build the early team, and improve brand and packaging.
Founded by Shreya Jain and Kshitij Rihal, the startup was inspired by the founders’ own experiences as consumers seeking globally benchmarked supplement quality in India.
The startup identified gaps in formulation standards, ingredient sourcing, and manufacturing practices, prompting them to build a science-first brand tailored for informed Indian buyers.

The bigger picture

The founders aim to build a trusted Indian supplements brand anchored in science, transparency, and consistent consumer outcomes.
The company is currently focused on key health categories such as sleep and gut health, with plans to maintain a concentrated portfolio of well-researched products rather than chasing trend-led launches.
Over the past 12 months, the startup reported strong unit economics, with select products scaling more than 40x within a year and follow-up rates of 35–50 per cent across mature cohorts, indicating repeat usage.

About the business

The Stack builds science-backed supplements using clinically studied ingredients and transparent formulations to address specific health needs like sleep and gut health.
The company focuses on solving specific health needs such as sleep and gut health.
The startup identified gaps in formulation standards, ingredient sourcing, and manufacturing practices, prompting them to build a science-first brand tailored for informed Indian buyers.
The company is currently focused on key health categories such as sleep and gut health, with plans to maintain a concentrated portfolio of well-researched products rather than chasing trend-led launches.
The funds will be used to invest in R&D, expand the product pipeline, strengthen the early team, and enhance brand packaging.

What happens next

The company plans to maintain a concentrated portfolio of well-researched products rather than chasing trend-led launches.

The deal

Type: funding

Investors

OTP Ventures (lead)
Huddle Ventures (lead)

Founders

Shreya Jain, Co-founder
Kshitij Rihal, Co-founder

About The Stack

Product: supplements brand focused on building high-quality, science-backed products using clinically studied global ingredients
Customers: Health-conscious consumers seeking research-backed nutritional and wellness supplements.
How it makes money: Sells dietary supplements and nutrition products directly to consumers through online channels and marketplaces.
What sets it apart: Utilizes globally sourced, clinically studied ingredients to create clean and transparent dietary formulations.

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