Allocation pattern · E-commerce / DTC

Supplements DTC: 87% Meta Concentration Flagged in Series A Diligence

A $12M GMV post-seed supplements brand came in three weeks into a Series A raise. The partner had asked one question that the founder had not been prepared for. “What percentage of your paid acquisition runs on Meta?” The answer was 87 percent. The partner flagged channel concentration as a diligence risk and asked for a written diversification plan.

The brand had built efficient Meta paid over 18 months and the math had been working. ROAS was strong, contribution margin was clean, the team knew how to operate. Diversification had been deferred because Meta kept working.

The diagnosis (3 sentences)

Channel concentration above 70 percent on a single platform is the structural risk sophisticated investors flag in DTC diligence. The risk is not theoretical: Meta CPMs rise 25 percent quarterly on a regular cadence, iOS privacy changes compress margin without warning, and policy changes can pause ad accounts for weeks. A brand with 87 percent Meta exposure feels the full hit when any of those events lands.

The allocation move

  • Build a 6-month diversification plan, not a 30-day panic reallocation. The plan targets a 55/25/20 split (Meta / Google Shopping / TikTok) by end of month 6, with measured ramps each quarter.
  • Month 1 to 2: Stand up Google Shopping. Build the product feed, set up the merchant center, ramp from $0 to $15K monthly at the threshold spend that produces meaningful learning signal. Hold Meta flat.
  • Month 3 to 4: Stand up TikTok with creative angles that fit the platform (UGC, founder content, ingredient education). Ramp from $0 to $20K monthly. Pull from Meta only after TikTok cohort retention is confirmed at parity or better.
  • Month 5 to 6: Rebalance to the 55/25/20 split. Pull from Meta as Google Shopping and TikTok hit their hurdle rates. Keep weekly cohort retention review by channel as the load-bearing metric, not topline ROAS.
  • Document the plan as a 3-page diversification artifact for the data room. Channel mix today, month-by-month ramp, hurdle rates, decision rules. The plan itself often closes the diligence concern even before the ramp completes.

When this applies. When it does not.

Applies: DTC brands above $5M GMV with paid concentration above 70 percent on a single platform. Preparing for a Series A or Series B raise. Or post-funding with board pressure to demonstrate channel resilience.

Does not apply: Pre-seed at sub-$1M GMV where channel-fit confirmation matters more than diversification. Brands already at 50/30/20 or better where the risk is naturally lower. Brands where one channel is unambiguously the right channel for the category (some niche categories genuinely have one efficient channel and forced diversification destroys unit economics).

A founder line, anonymized

“The partner did not ask me about ROAS. The partner asked me about concentration. I had built a great Meta program and ignored the structural question of what happens if Meta breaks. The audit gave me a 3-page diversification plan that closed the concern in the next meeting. The actual diversification took 6 months. The plan took 10 days.”

For when channel concentration is the actual cause of ROAS drift versus when it is a secondary risk to a different problem, see ROAS Dropped From 3.5x to 1.8x: The DTC Diagnostic Flowchart. The three-cause flowchart separates concentration risk from creative saturation from audience saturation.

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